FN990 Family Hardware Design Guide CONTENTS APPLICABILITY TABLE ............................6 INTRODUCTION ..............................7 Scope Audience Contact Information, Support Conventions Terms and Conditions Disclaimer GENERAL PRODUCT DESCRIPTION ....................... 9 Overview Frequency Bands and CA / EN-DC Combinations Frequency Bands 5G NR Sub-6 Bands Supportive LTE Bands supportive WCDMA Bands supportive CA / MIMO / EN-DC...
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FN990 Family Hardware Design Guide ELECTRICAL SPECIFICATIONS ........................30 Absolute Maximum Ratings – Not Optional Recommended Operating Conditions DIGITAL SECTION ............................... 31 Logic Levels 1.8V Pins – Absolute Maximum Ratings 1.8V Standard GPIOs 1.8V UIM1/UIM2 Pins 2.95V Pins – Absolute Maximum Ratings 2.95V Sim Card Pins VPH_PWR Level I/O Pins Power ON/OFF/RESET...
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FN990 Family Hardware Design Guide Antenna Installation Guidelines GNSS Receiver GNSS RF Front-End Design GNSS Characteristics MECHANICAL DESIGN ............................. 58 General Finishing & Dimensions Drawing Solder Resist Opening Area and Keepout Area APPLICATION GUIDE ............................60 10.1 Debug the FN990 Family Module in Production 10.2 Bypass Capacitor on Power Supplies EMC Recommendations...
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FN990 Family Hardware Design Guide 12.3 APAC Approvals Japan JATE/TELEC JRL/JTBL Regulatory Notices Antenna info Korea KC KC Regulatory Notices Taiwan NCC NCC Regulatory Notices 12.4 EMEA Approvals EU RED EU Declaration of Conformity RED Antennas 12.5 RoHS, REACH, and WEEE Info RoHS Info REACH Info WEEE Info...
FN990 Family Hardware Design Guide INTRODUCTION Scope This document introduces the Telit FN990 Family module and presents possible and recommended hardware solutions for the development of a product based on this module. All the features and solutions described in this document apply to all FN990 Family variants listed in the applicability table.
FN990 Family Hardware Design Guide Terms and Conditions Refer to https://www.telit.com/hardware-terms-conditions/. Disclaimer THE MATERIAL IN THIS DOCUMENT IS FOR INFORMATIONAL PURPOSES ONLY. TELIT CINTERION RESERVES THE RIGHT TO MAKE CHANGES TO THE PRODUCTS DESCRIBED HEREIN. THE SPECIFICATIONS IN THIS DOCUMENT ARE SUBJECT TO CHANGE AT THE DISCRETION OF TELIT CINTERION WITHOUT PRIOR NOTICE.
FN990 Family Hardware Design Guide GENERAL PRODUCT DESCRIPTION Overview The aim of this document is to present the possible and recommended hardware solutions useful for developing a product with the Telit FN990 Family M.2 module. FN990 Family is Telit’s platform for the M.2 module for applications, such as M2M applications and industrial IoT device platforms, based on the following technologies: 5G sub-6 / 4G / 3G networks for data communication •...
FN990 Family Hardware Design Guide CA / MIMO / EN-DC The FN990 Family supports 2CA, 3CA, 4CA, 5CA, 6CA, and 7CA for LTE CA combinations and EN-DC for NR FR1 configuration. Note: Please refer to the FN990 Family CA / EN-DC list, 30691NT12001A for a detailed list of CA and EN-DC combinations.
FN990 Family Hardware Design Guide Function Features 2Tx (2x2 UL MIMO) / 5G: n38/n41/n48/n77/n78/n79 4Rx (4x4 DL MIMO) 1Tx / 1Rx (2 4G: all operating bands Diversity) 3G: all operating bands GNSS Upper L-band: GPS/Glonass/Beidou/Galileo USIM port – Dual Two SIM support (UIM2 can be assigned as optional eSIM) Voltage Class B and Class C support Application...
FN990 Family Hardware Design Guide the Add-in Card, being tied to GND or left No Connect (NC), the detected pins will create a 4-bit logic state that requires decoding. Used by an Add-in Card where USB 3.1 Gen1 is present on the connector and PCIe is No Connect.
FN990 Family Hardware Design Guide Band Power class RF Power (dBm) Nominal* B1, B2, B3, B4, B5, B7, B8, B12, B13, B14, B17, B18, B19, B20, B25, B26, B28, B30, B34, B38, B39, B40, B41, B42**, B43**, B48**, B66, B71 LTE B41 2 (0.4W) Supports Power Class 2...
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FN990 Family Hardware Design Guide NR Band Typical Conducted Rx Sensitivity (dBm) * NR FDD n28 -100 NR FDD n29 -100 NR FDD n30 -102 NR TDD n38 NR TDD n40 NR TDD n41 NR TDD n48 NR FDD n66 NR FDD n71 -100 NR SDL n75...
FN990 Family Hardware Design Guide LTE level is measured at BW 10 MHz except Band 46 B46 BW = 20 MHz Mechanical Specifications Dimensions The overall dimensions of FN990 Family modems are: Length: 52 mm • Width: 30 mm • Thickness: 2.25 mm •...
FN990 Family Hardware Design Guide heat well. The temperature can be read via AT commands. For more details, please refer to the SW user guide or thermal design guideline. RoHS Compliance As a part of the Telit corporate policy of environmental protection, the FN990 Family products comply with the RoHS (Restriction of Hazardous Substances) directive of the European Union (EU directive 2011/65/EU).
FN990 Family Hardware Design Guide PINS ALLOCATION Pin-out Table 13: FN990 Family Pin-out Information Signal Function Type Comment USB Communication Port USB_HS_DP USB 2.0 Data Plus Analog USB_HS_DM USB 2.0 Data Minus Analog USB_SS_TX_M USB 3.1 super-speed Analog transmit – Minus USB_SS_TX_P USB 3.1 super-speed Analog...
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FN990 Family Hardware Design Guide Signal Function Type Comment UIM1_RESET_N Reset output to an 1.8V / 2.95V external UIM1 card UIM1_PRESENT UIM1 Card Present 1.8V Internal 100k PU Detect Active HIGH SIM Card Interface 2 UIM2_VCC Supply output for an 1.8V / 2.95V Power external UIM2 card UIM2_DATA...
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FN990 Family Hardware Design Guide Signal Function Type Comment I2C_SDA I2C Data 1.8V Internal 2.2k PU Can be TGPIO_09 I2C_SCL I2C Clock 1.8V Internal 2.2k PU Can be TGPIO_10 1PPS 1PPS/TSN 1.8V W_DISABLE2_N GNSS disable VPH_PWR Internal 100k PU MIPI Control RFFE0_DATA Data 1.8V...
FN990 Family Hardware Design Guide Signal Function Type Comment Config CONFIG_0 Ground CONFIG_1 Ground CONFIG_2 Floating CONFIG_3 Floating Reserved for Future Use Warning: Reserved pins must not be connected. FN990 Family Signals That Must be Connected The below table specifies the FN990 Family signals that must be connected for debugging purposes, even if not used by the end application: Table 14: Mandatory Signals Signal...
FN990 Family Hardware Design Guide POWER SUPPLY The power supply circuitry and board layout are very important areas of the whole product design, with a critical impact on the overall product performance. Please follow carefully the following requirements and guidelines to ensure a reliable and stable design. Power Supply Requirements The FN990 Family power requirements are as follows: Table 15: Power Supply Requirements...
FN990 Family Hardware Design Guide Thermal Design Guidelines This section provides thermal design guidelines useful for developing a product with a Telit FN990 modem. Proper thermal protection design protects against human or component damage under worst-case conditions. Furthermore, it reduces the probability of failure and does not adversely affect the use of the module, and greatly extends the operation time with maximum performance.
FN990 Family Hardware Design Guide The PCB traces connecting the FN990 and bypass capacitor must be wide • enough to avoid voltage drops even when 4A current absorption peaks occur. These traces should be kept as short as possible. The PCB traces connecting the switching output to the inductor and the •...
FN990 Family Hardware Design Guide ELECTRICAL SPECIFICATIONS Absolute Maximum Ratings – Not Optional Warning: A deviation from the value ranges listed below could damage the FN990 module. Table 19: Absolute Maximum Ratings - Not Optional Symbol Parameter Unit VPH_PWR Battery supply voltage on pin VPH_PWR -0.3 +4.7 Recommended Operating Conditions...
FN990 Family Hardware Design Guide DIGITAL SECTION Logic Levels Unless otherwise specified, all FN990 Family interface circuits are 1.8V CMOS logic. Only USIM interfaces are capable of dual voltage I/O. The following tables show the logic level specifications used in the FN990 interface circuits. The data specified in the tables below are valid throughout all drive strengths and the whole temperature range.
FN990 Family Hardware Design Guide 2.95V Pins – Absolute Maximum Ratings Table 24: Absolute Maximum Ratings - Not Functional Parameter Input level on any digital pin when +3.344 V Input voltage on analog pins when +3.344 V 2.95V Sim Card Pins Table 25: Operating Range - UIM Pins Working at 2.95V Parameter Unit...
FN990 Family Hardware Design Guide Power On To turn on the FN990 data card, the FULL_CARD_POWER_OFF_N pin must be asserted high. Note: To turn on the FN990 module, the SYS_RESIN_N pin must not be asserted low. If asserted low for more than one second, the FN990 modem will be reset. Power on can be triggered by the SYS_RESIN_N pin (low level) as well.
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FN990 Family Hardware Design Guide Figure 4: FN990 Family Power ON Sequence – PCIe EP mode (USB_PCIE_SWITCH: Low) Note: To verify if the FN990 Family has powered up properly, please follow the indications below: Power trigger time interval between VPH_PWR FULL_CARD_POWER_OFF_N: this could be null (0 ms) if the customer application requires turning on the module automatically.
FN990 Family Hardware Design Guide Note: To avoid a back-powering effect, it is recommended to prevent any HIGH logic level signals from being applied to the digital pins of the module when it is powered OFF or during an ON/OFF transition. Figure 5: Example Circuit for ON/OFF by FULL_CARD_POWER_N Power Off Power off of the device can be done in two different ways:...
FN990 Family Hardware Design Guide Note: Graceful Shutdown triggered by FULL_CARD_POWER_OFF_N is only effective after the module boots up completely. * The stated total shutdown time is an approximate measure of the latest SW and HW combination. The shutdown time may be lengthened or shortened depending on the SW configuration, SW, or HW version.
FN990 Family Hardware Design Guide Figure 8: Fast Shutdown by GPIO (*SHDNIND Enable, Optional) Note: *Shutdown Indicator is an optional function and is disabled by default. The host can verify the module entered the OFF state by monitoring the shutdown indicator pin status.
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FN990 Family Hardware Design Guide Figure 9: Unconditional Hardware Reset by SYS_RESIN_N Note: *Shutdown Indicator is an optional function. If SHDIND is enabled, it can verify the status via the SHDIND function. Please refer to the AT commands user guide document. ** The stated total reset time is an approximate measure of the latest SW and HW combination.
FN990 Family Hardware Design Guide Communication Ports The below table summarizes all the hardware interfaces of the FN990 Family module. Table 28: FN990 Family Hardware Interfaces Interface Description PCIe Peripheral Component Interconnect Express Gen USB 3.1 Gen 2 interface USIM x2 dual voltage each (1.8V / 2.95V) eSIM Embedded SIM (optional)
FN990 Family Hardware Design Guide For more details, please refer to the 1VV0301750, FN990 Family Software User Guide. * *Note: FN990 Family supports the following devices as EP for data interface: Marvell AQC107 Ethernet Controller • Realtek RTL8125 Ehternet Controller •...
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FN990 Family Hardware Design Guide Figure 12: Connection for PCIe Interface Note: FN990 Family supports PCIe root complex (RC) mode. Depending on the EP device such as NIC or something else, may require a suitable value of pull-up resistor on the PCIE_RESET_N line. Customers interested in using PCIe RC mode can contact Telit Technical Support at: TS-EMEA@telit.com •...
FN990 Family Hardware Design Guide Signal Function Type Comment PCIE_WAKE_N PCIe wake-up VPH_PWR Internal Note: PCIE_RESET_N operates as digital input in PCIe end point mode and open drain in PCIe root complex mode. PCIE_CLKREQ_N and PCIE_WAKE_N operate as an open drain in PCIe end point mode, and digital input in PCIe root complex mode. The default of the FN990 Family is end point mode.
FN990 Family Hardware Design Guide Type of guidance Guideline Requirement Component AC capacitance 220 nF *Actual throughput at the system level could be lower due to overheads. **PCIe trace length in FN990 Family: about 15 mm. USB 3.1 Interface The FN990 Family modules include super-speed USB 3.1 Gen 2 with high-speed USB 2.0 backward compatibility.
FN990 Family Hardware Design Guide USB OTG Feature FN990 family supports USB On-The-Go (OTG) function. Note: Since the FN990 family does not support a USB_ID pin, a TPGIO pin should be set as the purpose of USB_ID using the #OTGCFG command. The module will be in host mode if the TGPIO pin is connected to the ground.
FN990 Family Hardware Design Guide Table 35: SIM Interface Signals Signal Function Type Comment SIM Card Interface 1 UIM1_VCC Supply output for an external UIM1 card 1.8V / 2.95V Power UIM1_DATA Data connection with an external UIM1 1.8V / 2.95V Internal card UIM1_CLK...
FN990 Family Hardware Design Guide Note: FN990 Family modems contain an internal pull-up resistor on SIMIO. It is not necessary to install an external pull-up resistor. eSIM Interface FN990 modems include pads for an optional embedded SIM (WLCSP package). Customers interested in using an embedded SIM mounted on the FN990 can contact Telit Technical Support at: TS-EMEA@telit.com •...
FN990 Family Hardware Design Guide Figure 15: Example Circuit for WLAN/GNSS Disable Function Please refer to the AT commands guide for setting the WLAN/GNSS disable function. The LED signal drives the LED output. The recommended LED connection is the following: Figure 16: Recommended LED Connection R1 and VDD determine the LED brightness and forward current.
FN990 Family Hardware Design Guide Figure 17: Recommended LED Connection This signal is input directly to the FN990 module from a suitable SAR sensor. Then FN990 Family module will reduce output tx power. DPR function is not available yet: specific implementation will be determined on customer request.
FN990 Family Hardware Design Guide Signal Function Type Comment Can be I2S_WS I2C_SDA I2C Data 1.8V Internal 2.2k Can be TGPIO_09 I2C_SCL I2C Clock 1.8V Internal 2.2k Can be TGPIO_10 Using a GPIO as INPUT GPIO pins, when used as inputs, can be tied to a digital output of another device and report its status, provided the device interface levels are compatible with the GPIO 1.8V CMOS levels.
FN990 Family Hardware Design Guide RF Section Antenna Interface The antenna connection is one of the most important aspects of the whole application design as it strongly affects the overall radio performance. Hence, please read and follow the requirements and the guidelines as carefully as possible. FN990 family modules provide four MHF-4 type RF connectors covering the 5G FR1/LTE/WCDMA bands including GNSS and one MHF-4 type RF connector dedicated to GNSS.
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FN990 Family Hardware Design Guide NR Band NR FDD n25 PRx/Tx0 MIMO1 MIMO2 NR FDD n26 PRx/Tx0 NR FDD n28 PRx/Tx0 NR SDL n29 NR FDD n30 PRx/Tx0 MIMO1 MIMO2 NR TDD n38 DRx/Tx1 MIMO1 PRx/Tx0 MIMO2 NR TDD n40 PRx/Tx0 MIMO1 MIMO2...
FN990 Family Hardware Design Guide Item Value VSWR recommended <= 2:1 Antenna Cable Connecting cables between the module and LTE/Sub-6 antenna must have a 50 Ohm impedance. If the impedance of the module does not match, RF performance is significantly reduced. Table 44: Minimize Antenna Cable Recommendations Item Value...
FN990 Family Hardware Design Guide Note: GNSS receive path uses either the dedicated GNSS connector or the shared Secondary AUX antenna connector. GNSS Receiver The FN990 Family integrates a GNSS receiver that can be used either in Standalone or in A-GPS (assisted GPS) mode.
FN990 Family Hardware Design Guide Note: Please refer to the FN990 Family AT Commands Reference Guide, 80691ST11097A for detailed information about GNSS operating modes and GNSS antenna selection. GNSS Characteristics The below table specifies the GNSS characteristics and expected performance: Table 46: GNSS Characteristics Parameters Typical Measurement Notes...
FN990 Family Hardware Design Guide MECHANICAL DESIGN General The FN990 Family module was designed to be compliant with a standard lead-free SMT process. Finishing & Dimensions The FN990 Family module’s overall dimensions are: Length: 52.00 mm • Width: 30.00 mm •...
FN990 Family Hardware Design Guide Solder Resist Opening Area and Keepout Area The figure below shows the solder resist opening area and keep-out area location on the FN990 bottom side. Figure 23: Solder Resist Opening Area and Keep Out Area on Bottom Side To guarantee the performance and longevity of the end product, the heat generated by the FN990 module must be dissipated.
FN990 Family Hardware Design Guide Application Guide 10.1 Debug the FN990 Family Module in Production To test and debug the FN990 Family module integration, it is strongly recommended to add test pins on the host PCB for the following purposes: Checking the connection between the FN990 Family itself and the application •...
FN990 Family Hardware Design Guide EMC Recommendations EMC protection on all FN990 pins should be designed on the application side according to the customer’s requirement. ESD rating on all pins of FN990 Family: Human Body Model (HBM): +/- 1000 V Charged Device Model (CDM): +/- 250 V All antenna pins up to +/- 4 kV ESD Risk:...
FN990 Family Hardware Design Guide Packaging 11.1 Tray The FN990 Family modules are packaged on trays of 15 pieces each. These trays can be used in SMT processes for pick & place handling. Figure 24: Tray Packaging 1VV0301752 8 Page 62 of 83 2024-05-29...
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FN990 Family Hardware Design Guide Figure 25: Tray Construction 1VV0301752 8 Page 63 of 83 2024-05-29...
FN990 Family Hardware Design Guide Connect the equipment to an outlet on a circuit different from that to • which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. • Information for the OEMs and Integrators The following statement must be included with all versions of this document supplied to an OEM or integrator but should not be distributed to the end user.
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FN990 Family Hardware Design Guide Table 51: FCC Antenna Type Model Antenna Type FN990A28 Omnidirectional Monopole Antenna FN990A40 Table 52: Max Antenna Gain for FCC in dBi – WCDMA bands Max Gain for FCC (dBi) UMTS Max Gain to meet FCC Max Gain to consider Max gain allowed ERP/EIPP and MPE limit...
FN990 Family Hardware Design Guide Table 54: Max Antenna Gain for FCC in dBi – NR bands Max Gain for FCC (dBi) Max Gain to meet FCC Max Gain to consider Max gain allowed ERP/EIRP and MPE limit EN-DC Active 10.2 10.2 10.4...
FN990 Family Hardware Design Guide module, preceded by the words "Contains transmitter module", or the word "Contains", or similar wording expressing the same meaning, as in the below table. Table 55: Host device FCC Label Model Host device FCC label FN990A28 Contains FCC ID: RI7FN990A28 FN990A40...
FN990 Family Hardware Design Guide Radio Exposure Notice / Avis d'exposition radio This device complies with ISED radiation exposure limits set forth for an uncontrolled environment and meets the RSS‐102 of the ISED radio frequency (RF) Exposure rules. Antenna gain must be less than the values reported in the table below: Le présent appareil est conforme à...
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FN990 Family Hardware Design Guide Gain maximum pour ISED (dBi) / Gain maximum pour ISDE (dBi) Table 60: Max antenna gain for ISED in dBi / Gain d'antenne max pour ISED en dBi Gain maximum pour ISED (dBi) / Gain maximum pour ISDE (dBi) Max Gain to meet IC Max Gain to consider Max gain allowed...
FN990 Family Hardware Design Guide NR bands This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. L'émetteur ne doit pas être colocalisé ni fonctionner conjointement avec à autre antenne ou autre émetteur. This equipment must be installed and operated in accordance with provided instructions and the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter.
FN990 Family Hardware Design Guide Labelling requirements for the host device / Exigences d'étiquetage pour le périphérique hôte The host device shall be properly labelled to identify the modules within the host device. The certification label of the module shall be clearly visible at all times when installed in the host device, otherwise, the host device must be labelled to display the IC of the module, preceded by the words "Contains transmitter module", or the word "Contains", or similar wording expressing the same meaning, as in the following table.
FN990 Family Hardware Design Guide has been designed to enable the right 5G NR, LTE, and WCDMA bands and also the required carrier settings. JRL/JTBL Regulatory Notices Antenna info According to Japan regulatory rule, module certification is valid only with the specific antennas registered to and approved by Japan Radio Law (JRL) certified body in relation to module certification.
FN990 Family Hardware Design Guide 12.4 EMEA Approvals EU RED EU Declaration of Conformity In accordance with the above Approval Compliance Summary table, where applicable (green ball), hereby, Telit Communications S.p.A declares that the equipment is in compliance with the Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: https://www.telit.com/red...
FN990 Family Hardware Design Guide Max Gain for RED (dBi) 9.20 8.47 13.01 13.01 13.01 10.01 13.01 13.01 Table 65: Max Antenna Gain for RED in dBi – NR bands Max Gain for RED (dBi) Ant Gain to meet CE Max Gain to consider Max gain allowed MPE limit...
FN990 Family Hardware Design Guide REACH Info Any requests on information related to REACH certifications can be addressed to Chemical.Certifications@telit.com. WEEE Info This symbol means that according to local laws and regulations your product and/or its battery shall be disposed of separately from household waste. When this product reaches its end of life, take it to a collection point designated by local authorities.
FN990 Family Hardware Design Guide ACRONYMS AND ABBREVIATIONS Table 66: Acronyms and Abbreviations Acronym Definition Carrier aggregation Clock CMOS Complementary Metal – Oxide Semiconductor Data Terminal Equipment EN-DC E-UTRA – NR Dual Connectivity Equivalent Series Resistance E-UTRA Evolved UMTS Terrestrial Radio Access Frequency Division Duplex GPIO General Purpose Input Output...
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FN990 Family Hardware Design Guide Acronym Definition EN-DC E-UTRA – NR Dual Connectivity Equivalent Series Resistance 1VV0301752 8 Page 79 of 83 2024-05-29...
FN990 Family Hardware Design Guide RELATED DOCUMENTS Refer to https://dz.telit.com/ for current documentation and downloads. Table 67: Related Documents S.no Book Code Document Title 1VV0301750 FN990 SW User Guide 80691ST11097A FN990 AT Commands Reference Guide 1VV0301249 Generic EVB HW User Guide 1VV0301732 Telit EVB 2.0 HW User Guide 1VV0301753...
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