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u-blox LEXI-R10 Series System Integration Manual

Lte cat 1bis modules
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LEXI-R10 series
LTE Cat 1bis modules
System integration manual
Abstract
This document describes the features and the integration of the ultra-small LEXI-R10 series cellular
modules. These modules are a complete and cost-efficient solution offering multi-band LTE Cat 1bis
data transmissions in the ultra-compact LEXI form factor.
UBX-23008149 - R05
C1-Public
LEXI-R10
www.u-blox.com

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  • Page 1 System integration manual LEXI-R10 Abstract This document describes the features and the integration of the ultra-small LEXI-R10 series cellular modules. These modules are a complete and cost-efficient solution offering multi-band LTE Cat 1bis data transmissions in the ultra-compact LEXI form factor.

  • Page 2: Document Information

    The information contained herein is provided “as is” and u-blox assumes no liability for its use. No warranty, either express or implied, is given, including but not limited to, with respect to the accuracy, correctness, reliability and fitness for a particular purpose of the information.

  • Page 3: Table Of Contents

    LEXI-R10 series - System integration manual Contents Document information ..........................2 Contents ................................3 System description ..........................6 1.1 Overview ................................ 6 1.2 Architecture ..............................8 1.3 Pin-out ................................9 1.4 Operating modes ............................13 1.5 Supply interfaces ............................. 15 1.5.1 Module supply input (VCC) ......................
  • Page 4 2.9 Module placement ........................... 73 2.10 Module footprint and paste mask ......................74 2.11 Thermal guidelines ..........................74 2.12 Schematic for LEXI-R10 series Integration manual modules integration ........76 2.13 Design-in checklist ........................... 77 2.13.1 Schematic checklist ........................77 2.13.2 Layout checklist ..........................78 2.13.3 Antenna checklist ..........................
  • Page 5 LEXI-R10 series - System integration manual 4.4 European conformity ..........................89 4.5 NCC Taiwan conformity .......................... 90 4.6 Australian conformity ..........................91 4.7 ANATEL Brazil conformity ........................91 Product testing............................ 92 5.1 Validation testing and qualification ..................... 92 5.2 Production testing ........................... 93 5.2.1 u-blox in-line production tests ......................

  • Page 6: System Description

    ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Brazil 20,28 Table 1: LEXI-R10 series main features summary (● = supported, ○ = HW-ready, □ = with dedicated ordering code) UBX-23008149 - R05 System description Page 6 of 98...
  • Page 7 10.3 Mbit/s Up-Link, up to 5.2 Mbit/s Down-Link up to 5.2 Mbit/s Down-Link up to 5.2 Mbit/s Down-Link Table 2: LEXI-R10 series modules cellular characteristics summary Table 3 summarizes Wi-Fi receiver scan capabilities of the modules. LEXI-R10 series IEEE standard 802.11 b/g/n with DSSS beacon...

  • Page 8: Architecture

    Antenna Tuner Wi-Fi Rx USB boot 26 MHz Figure 1: LEXI-R10 series modules’ simplified block diagram RF section The RF section is composed of the following main elements: • RF switch connecting the antenna port (ANT) to the suitable RF LTE Tx paths, RF LTE Rx paths, and the RF Wi-Fi Rx path •...

  • Page 9: Pin-Out

    LEXI-R10 series - System integration manual 1.3 Pin-out Table 4 lists the pin-out of the LEXI-R10 series modules, with pins grouped by function. Function Name I/O Description Remarks Power 40-42 A12-14 Module supply VCC supply circuit affects the RF performance and...
  • Page 10 LEXI-R10 series - System integration manual Function Name I/O Description Remarks UART UART data Primary UART circuit 104 (RxD) in ITU-T V.24, for output AT commands, data, Mux, FW update or Diagnostic See section 1.9.2 for functional description. See section 2.6.1...
  • Page 11 LEXI-R10 series - System integration manual Function Name I/O Description Remarks USB_D- USB Data Line D- USB available for AT commands, data, Ethernet over USB, FW update and diagnostic. 90  nominal differential impedance. Pull-up/down / series resistors as per USB specs are integrated and shall not be provided externally.
  • Page 12 38,39, C15, B15, 46,47, A8,A7, 54,55, C5,C6, 62,63, E3,E5, 71,72, F3, F5, 80,81, G3,G5, 89,90, H3,H5, 98,99, J3,J5, 107,108 K3,K5 Table 4: LEXI-R10 series modules pin definition, grouped by function UBX-23008149 - R05 System description Page 12 of 98 C1-Public...

  • Page 13: Operating Modes

    Table 5: LEXI-R10 series modules operating modes description summary The initial operating mode of LEXI-R10 series modules is the one with VCC supply not present or below the operating range: the modules are switched off in not-powered mode.
  • Page 14 Using UART interface, achievable only with AT+UUSBCONF = 99. Table 6: LEXI-R10 series modules different levels of ultra-low power deep-sleep operating mode description LEXI-R10 series modules can be gracefully switched off by the +CPWROFF AT command, or by proper toggling of the PWR_ON input.

  • Page 15: Supply Interfaces

    (see section 1.5.1.4), up to the LTE connected mode (see section 1.5.1.3), and down to the ultra-low power deep sleep mode (see section 1.5.1.5). LEXI-R10 series are designed to have low power requirements, but it is important that the system power supply circuit can withstand with adequate safe design margin the maximum current during transmission at maximum RF power level (see the LEXI-R10 series data sheet [1]).
  • Page 16 VCC supply circuit compliant with the requirements listed in Table ⚠ The supply circuit affects the RF compliance of the device integrating LEXI-R10 series modules with applicable required certification schemes as well as antenna circuit design. RF performance is optimized by fulfilling the requirements summarized in the...

  • Page 17: Generic Digital Interfaces Supply Output (V_Int)

    [1]. The V_INT voltage domain can be used in place of an external discrete regulator as a reference voltage rail for external components. The V_INT output pin of the LEXI-R10 series modules is connected to an internal 1.8 V supply with a current capability specified in the LEXI-R10 series data sheet [1].

  • Page 18: System Function Interfaces

    VCC module supply input), the modules’ switch on can be triggered by: • Forcing a low level at the PWR_ON input pin for a valid time (see LEXI-R10 series data sheet [1], module switch on from power off mode).
  • Page 19 The greeting text configured on the serial interface (see AT commands manual [2], +CSGT AT command), to signal that the module is ready to operate ☞ Before the LEXI-R10 series module is ready to operate, the host application processor should not send any AT command over AT communication interfaces of the module. ☞...

  • Page 20: Module Power-Off

    1.6.2 Module power-off The proper graceful switch off procedure of the LEXI-R10 series modules, with storage of the current parameter settings in module’s non-volatile memory and a clean network detach, can be triggered by: • AT+CPWROFF command (see the LEXI-R10 series AT commands manual [2]), or •...
  • Page 21 AT+CPWROFF command and by the PWR_ON input pin respectively, with the following phases: • When the +CPWROFF AT command is sent, or when a low pulse is applied at the PWR_ON input pin with appropriate time duration (see the LEXI-R10 series data sheet [1]), the module starts the switch-off routine.

  • Page 22: Module Reset

    • A low level is applied on the RESET_N pin for a valid time period (see LEXI-R10 series data sheet [1], module abrupt emergency reset / reboot).

  • Page 23: Antenna Interface

    1.7.1 Antenna RF interface (ANT) LEXI-R10 series modules provide an RF interface for connecting the external antenna. The ANT pin represents the RF input/output for transmission and reception of cellular RF signals, as well as the RF input for reception of Wi-Fi RF signals.

  • Page 24: Antenna Detection Interface (Ant_Det)

    1.8.2 SIM detection interface The GPIO6 pin of LEXI-R10 series modules is a 1.8 V digital pin in the “always-on” supply domain, which can be configured as an external interrupt to detect the SIM card presence (see section 1.10). This detection of an external SIM card presence is an optional feature, not necessarily required to be implemented by connecting the pin to the mechanical switch of a SIM card holder as described in section 2.5, properly configuring the digital levels:...

  • Page 25: Uart Interfaces

    UART interfaces 1.9.2.1 UART features LEXI-R10 series modules include a main primary UART interface (UART) in the V_INT supply domain, with settings configurable by dedicated AT commands (for more details, see the AT commands manual [2]), supporting: • AT commands communication •...
  • Page 26 LEXI-R10 series modules include an auxiliary second UART interface (AUX UART) in the V_INT supply domain, which can be enabled as alternative function, in a mutually exclusive way, over the DTR, DSR,...
  • Page 27 CTS HW flow control output V_INT / UART break condition Module status indication Figure 11: LEXI-R10 series illustrative behavior of the UART and “always-on” GPIO with power saving configurations enabled 1.9.2.3 UART multiplexer protocol LEXI-R10 series modules include multiplexer functionality as per 3GPP TS 27.010 [9], on the primary UART physical link.

  • Page 28: Usb Interface

    The USB_BOOT input pin must be set high, at the 1.8 V voltage level of the V_INT supply output, to enable the FW update over the USB interface at the boot of the module, using the u-blox EasyFlash tool to execute the FW update. Only if the USB_BOOT pin is left floating (unconnected), or it is set low (grounded), the modules can boot in normal operating mode.

  • Page 29: General Purpose Input / Output

    LEXI-R10 series - System integration manual 1.10 General purpose input / output LEXI-R10 series modules include ten GPIO pins which can be configured to provide custom functions as summarized in Table 9 (for more details, see AT commands manual [2], +UGPIOC AT command).

  • Page 30: Antenna Dynamic Tuner Interface

    Table 10: LEXI-R10 series modules antenna dynamic tuning truth table (default factory-programmed configuration) 1.12 Reserved pins (RSVD) LEXI-R10 series modules include pins reserved for future use, marked as RSVD, which can all be left unconnected on the application board. UBX-23008149 - R05...

  • Page 31: Design-In

    Design-in 2.1 Overview For an optimal integration of the LEXI-R10 series modules in the final application board, follow the design guidelines stated in this section. Every application circuit must be suitably designed to ensure the correct functionality of the relative interface, but a number of points require greater attention during the design of the application device.

  • Page 32: Supply Interfaces

    (low impedance) connection to external ground can minimize power loss and improve RF and thermal performance. LEXI-R10 series modules must be sourced through the VCC pins with a suitable DC power supply that should meet the following prerequisites to comply with the modules VCC requirements summarized...
  • Page 33 The selected regulator or battery must be able to support with adequate margin the highest averaged current consumption value specified in the LEXI-R10 series data sheet [1]. The following sections highlight some design aspects for each of the supplies listed above providing...
  • Page 34 LEXI-R10 series modules, where the module VCC input is supplied by a step-down switching regulator capable of delivering with adequate safe margin the highest current specified in the LEXI-R10 series data sheet [1], with low output ripple and with fixed switching frequency in PWM mode operation greater than 1 MHz.
  • Page 35 [1], transforming a 12 V supply input. LEXI-R10 series C10 C11 SYNC COMP Figure 14: Example of low cost VCC supply circuit for LEXI-R10 series modules, using a step-down regulator Reference Description Part number - Manufacturer 22 µF capacitor ceramic X5R 1210 10% 25 V...
  • Page 36 LEXI-R10 series SHDN Figure 15: Example of high reliability VCC supply circuit for LEXI-R10 series modules, using an LDO linear regulator Reference Description Part number - Manufacturer 10 µF capacitor ceramic X5R 0603 20% 6.3 V...
  • Page 37 4.7 k resistor 0402 5% 0.1 W LDO linear regulator ADJ 3.0 A LP38501ATJ-ADJ/NOPB - Texas Instrument Table 14: Suggested components for low cost VCC supply circuit for LEXI-R10 series modules, using an LDO linear regulator ☞ See the section 2.2.1.9, and in particular...
  • Page 38 VCC pins must be capable of delivering the maximum current occurring during a transmission at maximum Tx power, as specified in the LEXI-R10 series data sheet [1]. The maximum discharge current is not always reported in the data sheets of batteries, but the maximum DC discharge current is typically almost equal to the battery capacity in Amp-hours divided by 1 hour.
  • Page 39 LEXI-R10 series - System integration manual where the charging source has a relatively high nominal voltage (e.g. ~12 V, see section 2.2.1.7 for the specific design-in). Li-Ion/Li-Polymer LEXI-R10 series battery charger IC Vbat supply Li-Ion/Li-Pol battery pack THERM θ STAT2...
  • Page 40 LEXI-R10 series - System integration manual A power management IC should meet the following prerequisites to comply with the module VCC requirements summarized in Table • High efficiency internal step down converter, with characteristics as indicated in section 2.2.1.2 • Low internal resistance in the active path Vout – Vbat, typically lower than 50 m...
  • Page 41 LEXI-R10 series - System integration manual Using a battery pack with an internal NTC resistor, the MP2617H can monitor the battery temperature to protect the battery from operating under unsafe thermal conditions. Several parameters as the charging current, the charging timings, the input current limit, the input...
  • Page 42 Removing the VCC power supply may be useful to further minimize the current consumption when LEXI-R10 series modules are switched off, even if this is not really needed considering the extremely low consumption of the LEXI-R10 series modules when they are switched off (see LEXI-R10 series data sheet for module current consumption figures).
  • Page 43 LEXI-R10 series - System integration manual 2.2.1.9 Additional guidelines for VCC supply circuit design To reduce voltage drops, use a low impedance power source. The series resistance of the supply lines (connected to the modules VCC and GND pins) on the application board and battery pack should also be considered and minimized: cabling and routing must be as short as possible to minimize losses.
  • Page 44 RF signal; this is more likely to happen with switching DC-DC converters, in which case it is better to select the highest operating frequency for the switcher and add a large L-C filter before connecting to the LEXI-R10 series modules in the worst case.

  • Page 45: Generic Digital Interfaces Supply Output (V_Int)

    2.2.2.1 Guidelines for V_INT circuit design LEXI-R10 series modules provide the V_INT generic digital interfaces 1.8 V supply output, which can be mainly used to: • Indicate when the module is switched on and it is not in the ultra-low power deep-sleep mode (as described in sections 1.6.1, 1.6.2)

  • Page 46: System Functions Interfaces

    The PWR_ON circuit requires careful layout since it is the sensitive input available to switch on and switch off the LEXI-R10 series modules. It is required to ensure that the voltage level is well defined during operation and no transient noise is coupled on this line, otherwise the module might detect a spurious power-on request.

  • Page 47: Module Reset_N Input

    The RESET_N circuit requires careful layout since it is the sensitive input available to reset / reboot the LEXI-R10 series modules. It is required to ensure that the voltage level is well defined during operation and no transient noise is coupled on this line, otherwise the module might detect a spurious power-on request.

  • Page 48: Antenna Interface

    LEXI-R10 series - System integration manual 2.4 Antenna interface LEXI-R10 series modules provide an RF interface for connecting the external antenna: the ANT pin represents the RF input/output for the transmission and the reception of LTE RF signals, and for the reception of Wi-Fi RF signals.
  • Page 49 LEXI-R10 series - System integration manual 500 µm 380 µm 500 µm L1 copper 35 µm FR-4 dielectric 270 µm L2 copper 35 µm FR-4 dielectric 760 µm L3 copper 35 µm FR-4 dielectric 270 µm L4 copper 35 µm Figure 26: Example of 50 ...
  • Page 50 See section 2.4.1.5 for the description of the antenna trace design implemented on the u-blox host printed circuit board used for conformity assessment of LEXI-R10 series surface-mounted modules for regulatory type approvals such as FCC United States, ISED Canada, RED Europe, etc.
  • Page 51 See section 2.4.1.5 for the description of the antenna trace design implemented on the u-blox host printed circuit board used for conformity assessment of LEXI-R10 series surface-mounted modules for regulatory type approvals such as FCC United States, ISED Canada, RED Europe, etc.
  • Page 52 UBX-23008149 - R05...
  • Page 53 SMA6251A1-3GT50G-50 – Amphenol Table 21: Parts in use on the u-blox host PCB for the antenna trace design, with additional antenna detection circuit The u-blox host printed circuit board has a structure of 6 copper layers with 35 µm thickness (1 oz/ft for all the layers exect the two inner buried layers, having 18 µm thickness (1/2 oz/ft...
  • Page 54 RF trace as illustrated in Figure Figure 33: Buried metal layer (L2) layout of the u-blox host PCB, below the antenna RF trace design Guidelines to design an equivalent proper connection for the ANT pad are available in section 2.4.1.1.

  • Page 55: Cellular And Gnss Rf Coexistence

    The 50  characteristic impedance of the antenna trace design on a host printed circuit board can be verified using a Vector Network Analyzer, as done on the u-blox host PCB, with calibrated RF coaxial cable soldered at the pad corresponding to RF input/output of the module and with the transmission line terminated to a 50 ...
  • Page 56 B36 blueprint [18] illustrated in Figure 5.5 cm SARA GNSS module antenna Cellular antenna Figure 35: PCB top rendering for the u-blox B36 blueprint with annotated distance between cellular and GNSS antennas UBX-23008149 - R05 Design-in Page 56 of 98 C1-Public...

  • Page 57: Antenna Detection Interface (Ant_Det)

    LEXI-R10 series - System integration manual 2.4.3 Antenna detection interface (ANT_DET) 2.4.3.1 Guidelines for ANT_DET circuit design Figure 36 Table 23 describe the recommended schematic / components for the optional antenna detection circuit that must be provided on the application board and for the diagnostic circuit that must be provided on the antenna’s assembly to achieve antenna detection functionality.
  • Page 58 LEXI-R10 series - System integration manual Furthermore, any other DC signal injected to the RF connection from ANT connector to radiating element will alter the measurement and produce invalid results for antenna detection. ☞ It is recommended to use an antenna with a built-in diagnostic resistor in the range from 5 k to 30 k...

  • Page 59: Antenna Dynamic Tuner Interface

    38(a), tuning the antenna impedance optimizes the power delivered into the antenna by dynamically adjusting the RF impedance seen by ANT pin of LEXI-R10 series module. By creating a tuned matching network for each operating band, the total radiated power (TRP) and the total isotropic sensitivity (TIS) metrics are improved.

  • Page 60: Sim Interface

    LEXI-R10 series - System integration manual 2.5 SIM interface 2.5.1 Guidelines for SIM circuit design 2.5.1.1 Guidelines for SIM cards, SIM connectors and SIM chips selection The ISO/IEC 7816, the ETSI TS 102 221 and the ETSI TS 102 671 specifications define the physical,...
  • Page 61 LEXI-R10 series - System integration manual 2.5.1.2 Guidelines for single SIM card connection without detection A removable SIM card placed in a SIM card holder must be connected to the SIM card interface of LEXI-R10 series modules as described in...
  • Page 62 Guidelines for single SIM chip connection A Surface-Mounted SIM chip (M2M UICC Form Factor) must be connected the SIM card interface of the LEXI-R10 series modules as described in Figure Follow these guidelines to connect the module to a SIM chip without SIM presence detection: •...
  • Page 63 LEXI-R10 series - System integration manual • In case of applications with power saving modes not planned to be used: connect the other pin of the normally-open mechanical switch integrated in the SIM connector (SW1 pin in Figure 41) to V_INT 1.8 V supply output by means of a strong pull-up resistor (e.g.

  • Page 64: Guidelines For Sim Layout Design

    The layout of the SIM card interface lines (VSIM, SIM_CLK, SIM_IO, SIM_RST) may be critical if the SIM card is placed far away from the LEXI-R10 series modules or in close proximity to the RF antenna: these two cases should be avoided or at least mitigated as described below.

  • Page 65: Data Communication Interfaces

    LEXI-R10 series - System integration manual 2.6 Data communication interfaces 2.6.1 UART interfaces 2.6.1.1 Guidelines for UART circuit design Providing 1 UART with full RS-232 functionality (using the complete V.24 link) If RS-232 compatible signal levels are needed, two different external voltage translators can be used to provide full RS-232 (9 lines) functionality: e.g.
  • Page 66 LEXI-R10 series - System integration manual Providing 1 UART with TXD, RXD, RTS and CTS lines only If the functionality of the DSR, DCD, RI and DTR lines is not required, or the lines are not available: • Connect the module DTR input to GND using a 0  series resistor, since it may be useful to set DTR...
  • Page 67 Providing 2 UARTs with the TXD, RXD, RTS and CTS lines LEXI-R10 series modules include an auxiliary UART interface (UART AUX), as alternative mutually exclusive function over the DTR, DSR, DCD and RI pins, with settings configurable by dedicated AT commands (see the AT commands manual [2]): •...
  • Page 68 LEXI-R10 series - System integration manual Providing 1 UART with TXD and RXD lines only ☞ Providing the TXD and RXD lines only is not recommended if the multiplexer functionality is used: providing also at least the HW flow control (RTS and CTS lines) is recommended, and it is in particular necessary if the low power mode is enabled by +UPSV AT command.

  • Page 69: Usb Interface

    As indicated in section 1.9.2.2, if the power saving configurations are enabled by AT+UPSV command, LEXI-R10 series modules can enter the ultra-low power deep-sleep mode whenever possible, even very frequently, as in-between short DRX cycles, and in such case all the UART interfaces lines go low.
  • Page 70 D1, D2 Very Low Capacitance ESD Protection PESD0402-140 - Littelfuse Table 32: Components for USB application circuits for LEXI-R10 series modules 2.6.2.2 Guidelines for USB layout design The USB_D+ / USB_D- lines require accurate layout design to achieve reliable signaling at the high speed data rate (up to 480 Mb/s) supported by the USB serial interface.

  • Page 71: I2C Interface

    Guidelines for I2C circuit design ☞ The I2C interface is not supported by “00B” / “01B” product versions of LEXI-R10 series modules. The SDA and SCL pins of the module are open drain output as per I2C bus specifications [10], and they have internal pull-up resistors to the V_INT 1.8 V supply rail of the module, so there is no need of...

  • Page 72: General Purpose Input / Output

    GPIO3, GPIO4 and GPIO6 pins to the 3 V voltage domain of the external device / host processor. A typical usage of LEXI-R10 series modules GPIOs can be the following: • Network indication provided over GPIO1 pin in V_INT supply domain (see...

  • Page 73: Guidelines For General Purpose Input/Output Layout Design

    The general-purpose inputs / outputs pins are not critical for layout. 2.8 Reserved pins (RSVD) LEXI-R10 series modules include pins reserved for future use, marked as RSVD, which can all be left unconnected on the application board. 2.9 Module placement An optimized placement allows a minimum RF line’s length and closer path from DC source for VCC.

  • Page 74: Module Footprint And Paste Mask

    16.0 All dimensions in millimeters Figure 55: Suggested footprint and paste mask for LEXI-R10 series modules (application board top view) ☞ These are recommendations only and not specifications. The exact copper, solder and paste mask geometries, distances, stencil thicknesses and solder paste volumes must be adapted to the specific production processes (e.g.
  • Page 75 LEXI-R10 series - System integration manual operating condition such as the actual antenna return loss, the transmitting frequency band, etc. The generated thermal power must be adequately dissipated through the thermal and mechanical design of the application. The spreading of the Module-to-Ambient thermal resistance (R...

  • Page 76: Schematic For Lexi-R10 Series Integration Manual Modules Integration

    1.8V GPIO V_INT GPIO6 USB 2.0 Host RSVD USB_BOOT VBUS 0Ω USB_D+ 0Ω USB_D- Figure 56: Example of schematic diagram to integrate a LEXI-R10 series module using almost all available interfaces UBX-23008149 - R05 Design-in Page 76 of 98 C1-Public...

  • Page 77: Design-In Checklist

    Provide adequate precautions for EMC / ESD immunity as required on the application board.  Do not apply voltage to any generic digital interface pin of LEXI-R10 series modules before the switch-on or wake-up of the generic digital interface supply source (V_INT).

  • Page 78: Layout Checklist

    USB, and other data lines).  Optimize placement for minimum length of RF line.  Check the footprint and paste mask designed for the LEXI-R10 series module as illustrated in section 2.10.  VCC line should be enough wide and as short as possible.

  • Page 79: Handling And Soldering

    The term is usually used in the electronics and other industries to describe momentary unwanted currents that may cause damage to electronic equipment. The ESD sensitivity for each pin of LEXI-R10 series modules, using Human Body Model according to JS-001-2017 and using Charged Device Model according to JS-002-2018, is specified in LEXI-R10 series data sheet [1].

  • Page 80: Soldering

    3.3 Soldering 3.3.1 Soldering paste "No Clean" soldering paste is strongly recommended for LEXI-R10 series modules, as it does not require cleaning after the soldering process has taken place. The paste listed in the example below meets these criteria. Soldering Paste: OM338 SAC405 / Nr.143714 (Cookson Electronics)

  • Page 81: Optical Inspection

    LEXI-R10 series - System integration manual Cooling phase A controlled cooling avoids negative metallurgical effects (solder becomes more brittle) of the solder and possible mechanical tensions in the products. Controlled cooling helps to achieve bright solder fillets with a good shape and low contact angle.

  • Page 82: Repeated Reflow Soldering

    Boards with combined through-hole technology (THT) components and surface-mount technology (SMT) devices require wave soldering to solder the THT components. No more than one wave soldering process is allowed for a board with a LEXI-R10 series module already populated on it. ⚠...

  • Page 83: Grounding Metal Covers

    ☞ u-blox gives no warranty for damages to the cellular modules caused by soldering metal cables or any other forms of metal strips directly onto the EMI covers. 3.3.12 Use of ultrasonic processes The cellular modules contain components which are sensitive to ultrasonic waves.

  • Page 84: Approvals

    The required certification scheme approvals and relative testing specifications applicable to the end-device that integrates a LEXI-R10 series module differ depending on the country or the region where the integrating device is intended to be deployed, on the relative vertical market of the device, on type, features and functionalities of the whole application device, and on the network operators where the device is intended to operate.

  • Page 85: Fcc United States Conformity

    Changes or modifications made to this device that are not expressly approved by u-blox could void the user's authority to operate the equipment.
  • Page 86 LEXI-R10 series - System integration manual Other additional guidelines for RF design are available in section 1.7.1 and the whole section 2.4. Guidelines regarding test procedures for design verification and validation with the aim of ensuring compliance with any applicable functional and/or conformity requirements are included in section 5.1.

  • Page 87: Ised Canada Conformity

    LEXI-R10 series - System integration manual See the general FCC guidelines for labeling and other information required to be provided to users of RF devices available in the KDB Publication 784748. 4.2.1.9 Information on test modes and additional testing requirements The host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification.
  • Page 88 ISED Canada requires the user to be notified that any changes or modifications made to this device that are not expressly approved by u-blox could void the user's authority to operate the equipment. UBX-23008149 - R05...

  • Page 89: Avis D'innovation, Sciences Et Développement Économique Canada

    LEXI-R10 series - System integration manual 4.3.2 Avis d'Innovation, Sciences et Développement Économique Canada L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d'Innovation, Sciences et Développement Économique Canada (ISDE) applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivante: 1.

  • Page 90: Ncc Taiwan Conformity

    LEXI-R10 series - System integration manual Radiofrequency radiation exposure information This equipment complies with radiation exposure limits prescribed for an uncontrolled environment for fixed and mobile use conditions. This equipment should be installed and operated with a minimum distance of 20 cm between the radiator and the body of the user or nearby persons. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter except as authorized in the certification of the product.

  • Page 91: Australian Conformity

    ☞ The antenna used for the u-blox modules must not be closer than 20 cm to the nearest person, otherwise Specific Absorption Rate (SAR) evaluation is required to prevent possible RF exposure excessing the limits defined by the Australian Radiation Protection and Nuclear Safety Agency –...

  • Page 92: Product Testing

    Product testing 5.1 Validation testing and qualification LEXI-R10 series modules are validated and tested by u-blox in the operating conditions and in certain integration, but not all the specific characteristics of the host application end-product integrating the module can be validated and tested by u-blox.

  • Page 93: Production Testing

    5.2.1 u-blox in-line production tests u-blox focuses on high quality for its products. All units produced are tested automatically in all their interfaces along the production line. Stringent quality control processes have been implemented in the production line. Defective units are analyzed in detail to improve production quality.
  • Page 94 • Communication with the SIM card/chip can be checked using the +CPIN read command. • GPIO functionality can be checked using the +UGPIOC AT command, etc. ☞ Please contact the u-blox office or sales representative nearest you for further guidelines about OEM production testing guidelines [19]. 5.2.2.2...

  • Page 95: Appendix

    LEXI-R10 series - System integration manual Appendix Migration between LEXI modules ☞ For information about hardware migration between LEXI-R10 series modules and the other u-blox modules in the LEXI form factor, see the related LEXI modules HW migration application note [20]. Glossary Abbreviation...
  • Page 96 Maximum Permissible Exposure MQTT Message Queuing Telemetry Transport Not Applicable National Communications Commission (Taiwan) Original Equipment Manufacturer device: an application device integrating a u-blox cellular module Over The Air Power Amplifier Power Saving Mode PTCRB PCS Type Certification Review Board...

  • Page 97: Related Documentation

    [19] u-blox LEXI-R10 series end-device production and validation guide, UBXDOC-686885345-2043 [20] u-blox LEXI modules HW migration application note, UBXDOC-686885345-2019 ☞ For regular updates to u-blox documentation and to receive product change notifications, register on our homepage (www.u-blox.com). UBX-23008149 - R05 Related documentation Page 97 of 98...

  • Page 98: Revision History

    Added ANATEL Brazil section. Minor other editorial changes, clarifications and corrections. Contact u-blox AG Address: Zürcherstrasse 68 8800 Thalwil Switzerland For further support and contact information, visit us at www.u-blox.com/support. UBX-23008149 - R05 Revision history Page 98 of 98 C1-Public...

This manual is also suitable for:

Lexi-r10001dLexi-r10401dLexi-r10801dLexi-r10001d-01b-00Lexi-r10401d-00b-00Lexi-r10801d-00b-00

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