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Sunsea AIoT SIMCom SIM7075G User Manual

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SIM7075G User Manual V1.03
2
SIM7075G
User Manual
LPWA Module
SIMCom Wireless Solutions Limited
SIMCom Headquarters Building, Building 3, No. 289 Linhong
Road, Changning District, Shanghai P.R. China
Tel: 86-21-31575100
support@simcom.com
www.simcom.com

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Summary of Contents for Sunsea AIoT SIMCom SIM7075G

  • Page 1 SIM7075G User Manual V1.03 SIM7075G User Manual LPWA Module SIMCom Wireless Solutions Limited SIMCom Headquarters Building, Building 3, No. 289 Linhong Road, Changning District, Shanghai P.R. China Tel: 86-21-31575100 support@simcom.com www.simcom.com...
  • Page 2 SIM7075G User Manual V1.00 SIM7075G User Manual Document Title: 1.00 Version: 2022-09-14 Date: Released Status: GENERAL NOTES SIMCOM OFFERS THIS INFORMATION AS A SERVICE TO ITS CUSTOMERS, TO SUPPORT APPLICATION AND ENGINEERING EFFORTS THAT USE THE PRODUCTS DESIGNED BY SIMCOM. THE INFORMATION PROVIDED IS BASED UPON REQUIREMENTS SPECIFICALLY PROVIDED TO SIMCOM BY THE CUSTOMERS.
  • Page 3 SIM7075G User Manual V1.00 Version History Date Version Description of change Author Yanping Yang 2022-05-23 1.00 Original Meihao Li www.simcom.com 3 / 74...
  • Page 4 SIM7075G User Manual V1.00 Contents 1. Introduction ........................8 1.1 Product Outline ............................. 8 1.2 Hardware Interface Overview .......................9 1.3 Hardware Block Diagram ........................10 1.4Functional Overview ..........................10 2. Package Information ..................... 12 2.1 Pin Assignment Overview ........................12 2.2 Pin Description ............................14 2.3 Mechanical Information ........................
  • Page 5 SIM7075G User Manual V1.00 6.1 Top and Bottom View of SIM7075G ....................58 6.2 Label Information ..........................59 6.3 Typical SMT Reflow Profile ........................ 60 6.4 Moisture Sensitivity Level (MSL) ......................60 6.5 Baking ..............................61 6.6 Stencil Foil Design Recommendation ....................62 7.
  • Page 6 SIM7075G User Manual V1.00 Table Index Table 1: SIM7075G frequency bands and air interface ................8 Table 2: General features ......................... 10 Table 3: Pin definition ..........................13 Table 4: IO parameters definition ......................14 Table 5: Pin description ..........................15 Table 6: VBAT pins electronic characteristic ....................
  • Page 7 SIM7075G User Manual V1.00 Figure Index Figure 1: SIM7075G block diagram ......................10 Figure 2: Pin assignment overview ......................12 Figure 3: Dimensions (Unit: mm) ......................19 Figure 4: Footprint recommendation (Unit: mm) ..................20 Figure 5: Voltage drop in EDGE or GPRS mode ..................21 Figure 6: Power supply application circuit ....................22 Figure 7: Power supply reference circuit ....................23 Figure 8: Reference power on/off circuit ....................
  • Page 8 1. Introduction This document describes the electronic specifications, RF specifications, interfaces, mechanical characteristics and testing results of the SIMCom SIM7075G module. With the help of this document and other SIM7075G software application notes/user guides, users can understand and use SIM7075G module to design and develop applications quickly.
  • Page 9 SIM7075G User Manual V1.00 LTE-FDD B72 GSM850MHz  EGSM900MHz  GSM/GPRS/ EDGE DCS1800MHz  PCS1900MHz   GLONASS  GNSS BeiDou  Galileo  NOTE Galileo is default closed in software. But users can open it via AT command “AT+CGNSMOD”. For more information about these AT commands, please refer to Document [1] 1.2 Hardware Interface Overview The interfaces are described in detail in the next chapters include:...
  • Page 10 SIM7075G User Manual V1.00 1.3 Hardware Block Diagram The block diagram of the SIM7075G module is shown in the figure below. Figure 1: SIM7075G block diagram 1.4Functional Overview Table 2 describes the features of the SIM7075G modules. Table 2: General features Feature Implementation Power supply...
  • Page 11 SIM7075G User Manual V1.00 LTE power class: 5 (0.125W).Band31/Band72 power class: 2(0.4W) GPRS: Uplink up to 85.6Kbps, Downlink up to 85.6Kbps. EDGE: Uplink up to 296Kbps, Downlink up to 236.8Kbps Data Transmission LTE CAT M1:589Kbps (DL). Throughput LTE CAT M1: 1119Kbps (UL). LTE CAT NB1/NB2: 127Kbps (DL).
  • Page 12 SIM7075G User Manual V1.00 2. Package Information 2.1 Pin Assignment Overview All functions of the SIM7075G will be provided through 102 pads that will be connected to the customers’ platform. The Figure 2 is the pin assignment of the SIM7075G. Figure 2: Pin assignment overview www.simcom.com 12 / 74...
  • Page 13 SIM7075G User Manual V1.00 Table 3 lists the SIM7075G module pin numbers and pin definitions. Table 3: Pin definition Pin No. Pin Name Pin No. Pin Name PSM_IND ADC1 PCM_CLK PCM_SYNC PCM_DIN PCM_DOUT USB_VBUS USB_DP USB_DM RESERVED RESERVED RESERVED RESERVED PWRKEY GPIO31 RESET_N...
  • Page 14 SIM7075G User Manual V1.00 USB_BOOT RESERVED RESERVED RESERVED GPIO57 GPIO58 GPIO52 GPIO36 GPIO40 GPIO41 RESERVED GPIO20 PS_HOLD RESERVED RESIN_N RESERVED RESERVED RESERVED NOTE Before the normal power up, USB_BOOT cannot be pulled up. 2.2 Pin Description This section describes the SIM7075G of pins and pin function definitions Table 4: IO parameters definition Pintype Description...
  • Page 15 SIM7075G User Manual V1.00 Table 5: Pin description Default Pin name Description Comment status Power supply Power supply, VBAT_BB 32,33 voltage range: 3.3～4.3V. typical: 3.8V Power supply, VBAT_RF 52,53 voltage range: 3.3～4.3V. typical: 3.8V This power supple only LDO power output 1.8V for other use for external GPIO VDD_EXT external circuits with Max 50mA...
  • Page 16 SIM7075G User Manual V1.00 SIM card detect, the module is not SIM_DET support hot-swap function. USIM_GND Ground for SIM Card USB* Valid USB detection input with USB_VBUS DI,PD Software download 3.5~5.25V detection voltage interface. It is Positive line of the differential, recommended to USB_DP bi-directional USB signal.
  • Page 17 SIM7075G User Manual V1.00 GPIO LED control output as network status NETLIGHT indication. Operating status output. High level: Power on and firmware STATUS ready Low level: Power off W_DISABLE# Airplane mode control If unused, keep them Application processor sleep state open.
  • Page 18 SIM7075G User Manual V1.00 master PMIC device to keep its power supplies on, and it can initiate a reset or power down when asserted low RESIN_N Wake up the module from PSM 11,12, 13,14, 51,56, 57,63, RESERVED No connection. Keep it open 76,77, 78,92, 95,97,...
  • Page 19 SIM7075G User Manual V1.00 2.3 Mechanical Information Figure 3 depicts the mechanical dimensions of the SIM7075G and describes the length, width, height and tolerance of the SIM7075G of modules. Figure 3: Dimensions (Unit: mm) www.simcom.com 19 / 74...
  • Page 20 SIM7075G User Manual V1.00 2.4 Footprint Recommendation Figure 4 depicts the Foot printer commended of The SIM7075G modules. Figure 4: Footprint recommendation (Unit: mm) www.simcom.com 20 / 74...
  • Page 21 SIM7075G User Manual V1.00 3. Interface Application 3.1 Power Supply Pin 32, pin 33 and pin 52, pin 53 are VBAT power input. On VBAT pads, when module works on CAT-M1 mode, the ripple current is up to 0.6A typically. For steady voltage, the power supply capability must be up to 0.5A.
  • Page 22 SIM7075G User Manual V1.00 3.1.1 Power Supply Design Guide In the user's design, special attention must be paid to the design of the power supply section to ensure that the VBAT drop cannot be lower than the minimum voltage shown in Table 7 even when the module current consumption reaches the instantaneous maximum.
  • Page 23 SIM7075G User Manual V1.00 3.1.2 Recommended Power Supply Circuit If the supply voltage exceeds the supply range of VBAT, the buck circuit should be used to meet the demand of power supply. When choosing buck chip, besides considering the maximum current output capability of IC to meet the demand of SIM7075G, it is also necessary to consider the low static power consumption of IC in PSM mode.
  • Page 24 SIM7075G User Manual V1.00 3.2.1 Power on The PWTRKEY pin has a default voltage of 1.5V. SIM7075G can be powered on by briefly pulling the PWRKEY pin to ground. It is strongly recommended to put an ESD protection diode close to the PWRKEY pin, as it would strongly enhance the ESD performance of PWRKEY pin.
  • Page 25 SIM7075G User Manual V1.00 The time from power-on issue to VDD_EXT pin Ton(Vdd) output high level. The time from power-on issue to STATUS pin output Ton(status) high level(indicating power up ready ) Ton(uart) The time from power-on issue to UART port ready Ton(usb) The time from power-on issue to USB port ready Input high level voltage on PWRKEY pin...
  • Page 26 SIM7075G User Manual V1.00 Figure 10: Power off timing sequence Table 11: Power off timing and electronic characteristic Time value Symbol Parameter Unit Min. Typ. Max. The active low level time pulse on PWRKEY pin to Toff power off module The time from power-off issue to VDD_EXT pin output Toff(vdd) low level...
  • Page 27 SIM7075G User Manual V1.00 One channel full-function serial port UART1, it can be used for AT command communication between the module and the peripheral MCU. One channel 2-wire serial port UART3, the default function after booting is GPIO. It can be configured as a UART function, but it cannot be used for AT command communication.
  • Page 28 SIM7075G User Manual V1.00 Figure 12: UART null modem Table 12: UART electronic characteristic Symbol Description Min. Typ. Max. Unit UART input high level voltage 1.17 UART input low level voltage -0.3 0.63 UART output high level voltage 1.35 UART output low level voltage 0.45 The SIM7075G UART is 1.8V voltage interface.
  • Page 29 SIM7075G User Manual V1.00 Figure 14: Reference circuit with Transistor NOTE When it uses the level shifter IC, the pull up resistance on TXD_3.3V, RTS_3.3V, DCD_3.3V and RI_3.3V should not be less than 47KΩ. When it uses the transistor, the selection of the transistor must be a high-speed transistor, and the model MMBT3904 is recommended.
  • Page 30 SIM7075G User Manual V1.00 After setting the AT command “AT+CSCLK=0”, SIM7075G will do nothing when the DTR pin is pulling up. NOTE For more details of AT commands about UART, please refer to document [1] and [20]. 3.4 USB Interface SIM7075G has a USB2.0 interface.
  • Page 31 SIM7075G User Manual V1.00 Table 13: Recommended TVS models Manufacturer Part Number Package PESD5V0X1BCAL 0402 Willsemi ESD5301N 0402 PESD5V0H1BSF 0201 Willsemi ESD5311Z-2/TR 0201 NOTE The USB interface is strongly recommended to reserve test points. The USB_DM and USB_DP nets must be traced by 90Ohm+/-10% differential impedance. 3.5 Force USB Download Interface The module can enter the USB forced download mode with pulling up the USB_BOOT pin.
  • Page 32 SIM7075G User Manual V1.00 value is 1.8V. Table 14: SIM electronic characteristic in 1.8V mode (SIM_VDD=1.8V) Symbol Parameter Min. Typ. Max. Unit SIM_VDD LDO power output voltage 1.75 1.95 High-level input voltage 0.65*SIM_VDD SIM_VDD +0.3 Low-level input voltage -0.3 0.35*SIM_VDD High-level output voltage SIM_VDD -0.45 SIM_VDD...
  • Page 33 SIM7075G User Manual V1.00 Place TVS near the SIM card holder. The junction capacity of the TVS should not exceed 50pF. The  22Ω resistor in series between the SIM card holder and the module can enhance the ESD protection performance.
  • Page 34 SIM7075G User Manual V1.00 Figure 20: External codec to module timing Figure 21: Module to external codec timing Table 16: PCM timing parameters Parameter Description Min. Typ. Max. Unit T(sync) PCM_SYNC cycle time – – μs T(synch) PCM_SYNC high level time –...
  • Page 35 SIM7075G User Manual V1.00 The following figure shows the external codec reference design. Figure 22: Audio codec reference circuit 3.8 I2C Interface SIM7075G provides an I2C interface with clock rate up to 400 kbps. Its operation voltage is 1.8V. The following figure shows the I2C bus reference design. Figure 23: I2C reference circuit NOTE The I2C signal has no pull-up resistors in module.
  • Page 36 SIM7075G User Manual V1.00 Table 17: Control voltage rang Symbol Parameter Min. Typ. Max. Unit High level input voltage 1.17 Low level input voltage -0.3 0.63 High level output voltage 1.35 Low level output voltage 0.45 3.9 Network status The NETLIGHT pin is used to control Network Status LED, its reference circuit is shown in the following figure.
  • Page 37 SIM7075G User Manual V1.00 Data transmit (PPP dial-up state and use of data services such as 64ms ON, 300ms OFF internal TCP/FTP/HTTP) Power off or PSM mode NOTE NETLIGHT output low level as “OFF” and high level as “ON”. 3.10 ADC interface SIM7075G module provides a 10-bit high sample rate (ADC) interfaces.
  • Page 38 SIM7075G User Manual V1.00 Figure 25: Power on sequence of the VDD_EXT Table 20: Electronic characteristic Symbol Description Min. Typ. Max. Unit Output voltage 1.75 1.85 VDD_EXT Output current NOTE The VDD_EXT is used to the IO power in the module. The Output voltage is not supported to adjust. www.simcom.com 38 / 74...
  • Page 39 SIM7075G User Manual V1.00 4. RF Specifications 4.1 LTE RF Specifications Table 22: Maximum Power Reduction (MPR) for UE category NB&M1 Power Class 5 CAT-NB1/CAT-NB2 Modulation QPSK Tone positions for 3 Tones 3-5 and 6-8 9-11 allocation ≤ 0.5 dB 0 dB ≤...
  • Page 40 SIM7075G User Manual V1.00 PCS1900 1930~1990MHz 1850~1910MHz LTE BAND Information【Refers to Table 1】 GPS L1 BAND 1574.4~1576.44 MHz GLONASS 1598.0625 ~1605.375MHz 1559.052~1591.788MHz Galileo 1574.4~1576.44 MHz Table 24: E-UTRA operating bands E-UTRA UL Freq. DL Freq. Duplex Mode 1920 ~1980 MHz 2110 ~2170 MHz HD-FDD 1850~1910MHz...
  • Page 41 SIM7075G User Manual V1.00 Band MAX(dBm) REFSENS REFSENS Mode REFSENS 3GPP Request Typical Typical Typical (dBm) (dBm) (dBm) -103 -108.1 -108.4 HD-FDD -101 -106.2 -106.6 HD-FDD -100 -107.5 -107.3 HD-FDD -103 -106.5 -106.2 HD-FDD -101.5 -108.2 -108.8 HD-FDD -100.5 -106.1 -106.5 HD-FDD -100...
  • Page 42 SIM7075G User Manual V1.00 -108.2 -114.9 -129 -114.9 -129 -114.9 -129 -108.2 -115.1 -128 -115.1 -128 -115.1 -128 -108.2 -114.1 -128 -114.1 -128 -114.1 -128 -108.2 -114.6 -130 -114.6 -130 -114.6 -130 -108.2 -114.6 -129 -114.6 -129 -114.6 -129 -108.2 -115.9 -130 -115.9...
  • Page 43 SIM7075G User Manual V1.00 Figure 26: Antenna matching circuit (MAIN_ANT) In above figure, the components R1, C1, C2 and R2 are used for antenna matching, the values of components can only be achieved after the antenna tuning and usually provided by antenna vendor. By default, the R1, R2 are 0Ω...
  • Page 44 SIM7075G User Manual V1.00 Galileo L1:1575.42±1.023MHz  Update rate: Default 1 Hz  GNSS data format: NMEA-0183  GNSS Current consumption :54mA (AT+CFUN=0,without USB)  GNSS antenna: Passive/Active antenna  NOTE If the antenna is active type, the power should be given by main board because there is no power supply on the GNSS antenna pad.
  • Page 45 SIM7075G User Manual V1.00 the LNA characteristic and PCB layout. Both VDD of active antenna and V_LNA need external power supplies which should be considered according to active antenna and LNA characteristic. LDO/DCDC is recommended to get lower current consuming by shutting down active antennas and LNA when GNSS is not working.
  • Page 46 SIM7075G User Manual V1.00 Figure 29: RF trace should be far away from other high speed signal lines Avoiding the paroling rout of other system antennas nearly.  There should be some distance from The GND to the inner conductor of the SMA connector. It is better ...
  • Page 47 SIM7075G User Manual V1.00 4.4.2 LTE ANT and other system ANT decoupling Make sure the efficiency of LTE main ANT more than 40%  Keep the decoupling of LTE main ANT to WLAN ANT more than 15dB  Keep the decoupling of LTE main ANT to GNSS ANT more than 30dB ...
  • Page 48 SIM7075G User Manual V1.00 5. Electrical Specifications 5.1 Absolute maximum ratings Absolute maximum rating for digital and analog pins of SIM7075G are listed in the following table: Table 30: Absolute maximum ratings Parameter Min. Typ. Max. Unit Voltage on VBAT -0.3 Voltage on USB_VBUS -0.3...
  • Page 49 SIM7075G User Manual V1.00 Table 32: 1.8V Digital I/O characteristics* Parameter Description Min. Typ. Max. Unit High-level input voltage 1.17 Low-level input voltage -0.3 0.63 High-level output voltage 1.35 Low-level output voltage 0.45 High-level output current(no pull down resistor) Low-level output current(no pull up resistor) Input high leakage current (no pull down resistor)
  • Page 50 SIM7075G User Manual V1.00 NOTE Module is able to make and receive voice calls, data calls, SMS and make GPRS/LTE traffic in -40℃ ~ +85℃. The performance will be reduced slightly from the 3GPP specifications if the temperature is outside the normal operating temperature range and still within the extreme operating temperature range.
  • Page 51 SIM7075G User Manual V1.00 In this mode, The mode is similar to power-off. But the module remains registered on the network and there is no need to re-attach or re-establish the network connections. And all of the functions will be unavailable except the RTC function.
  • Page 52 SIM7075G User Manual V1.00 When SIM7075G is in minimum functionality or flight mode, it can return to full functionality by the AT command “AT+CFUN=1”. 5.3.4 Power Saving Mode (PSM) SIM7075G module can enter into PSM for reducing its power consumption. The mode is similar to power-off, but the module remains registered on the network and there is no need to re-attach or re-establish the network connections.
  • Page 53 SIM7075G User Manual V1.00 If e-DRX is supported by the network, then it can be enabled by “AT+CEDRXS” command. NOTE For details about “AT+CEDRXS”, please refer to Document [1] 5.4 Current Consumption The current consumption is listed in the table below. Table 36: Current consumption on VBAT Pins (VBAT=3.8V) GNSS GNSS supply current...
  • Page 54 SIM7075G User Manual V1.00 EGSM850(3DL,2UL) @power class #5 Typical: 210mA DCS1800(3DL,2UL) @power class #0 Typical:172mA EGSM 850(1DL,4UL) @power class #5 Typical: 311mA DCS1800 (1DL,4UL) @power class #0 Typical: 285mA LTE Cat-M (10MHz) data transmission @21dbm Typical: 116mA LTE-FDD B1 @10dbm Typical: 103mA @0dbm Typical: 91mA @21dbm Typical: 115mA LTE-FDD B2...
  • Page 55 SIM7075G User Manual V1.00 @0dbm Typical:90mA @21dbm Typical: 117mA LTE-FDD B27 @10dbm Typical: 101mA @0dbm Typical:90mA @21dbm Typical: 116mA LTE-FDD B28 @10dbm Typical: 100mA @0dbm Typical: 91mA @27dbm Typical: 345mA LTE-FDD B31 @17dbm Typical: 185mA @8dbm Typical:137mA @21dbm Typical: 167mA LTE-FDD B66 @10dbm Typical: 131mA @0dbm Typical: 103mA...
  • Page 56 SIM7075G User Manual V1.00 @21dbm Typical: 147mA LTE-FDD B19 @10dbm Typical: 80mA @0dbm Typical: 53mA @21dbm Typical: 147mA LTE-FDD B20 @10dbm Typical: 81mA @0dbm Typical: 52mA @21dbm Typical: 140mA LTE-FDD B25 @10dbm Typical: 87mA @0dbm Typical: 54mA @21dbm Typical: 147mA LTE-FDD B26 @10dbm Typical: 81mA @0dbm Typical: 53mA...
  • Page 57 SIM7075G User Manual V1.00 NOTE Test Conditions: 1. The external of the module has surge protection diodes and ESD protection diodes. 2. The data in Table 37 was tested using SIMCom EVB. www.simcom.com 57 / 74...
  • Page 58 SIM7075G User Manual V1.00 6. SMT Production Guide 6.1 Top and Bottom View of SIM7075G Figure 32: Top and bottom view of SIM7075G www.simcom.com 58 / 74...
  • Page 59 SIM7075G User Manual V1.00 6.2 Label Information Figure 33: Label information Table 38: The description of label information Description LOGO,No.1 Pin Project name Product code Serial number International mobile equipment identity QR code www.simcom.com 59 / 74...
  • Page 60 SIM7075G User Manual V1.00 6.3 Typical SMT Reflow Profile SIMCom provides a typical soldering profile. Therefore the soldering profile shown below is only a generic recommendation and should be adjusted to the specific application and manufacturing constraints. Figure 34: The ramp-soak-spike reflow profile of SIM7075G NOTE For more details about secondary SMT, please refer to the document [19].
  • Page 61 SIM7075G User Manual V1.00 48 hours at ≦30℃/60% RH 24 hours at ≦30℃/60% RH Mandatory bake before use. After bake, it must be reflowed within the time limit specified on the label. 6.5 Baking In order to get better yield, the module need to bake before SMT. If the packaging is in perfect condition, the module which dateofproduction is within six months has no ...
  • Page 62 SIM7075G User Manual V1.00 6.6 Stencil Foil Design Recommendation The recommended thickness of stencil foil is 0.15mm. Figure 35: stencil recommendation (Unit: mm) www.simcom.com 62 / 74...
  • Page 63 SIM7075G User Manual V1.00 7. Packaging 7.1 Tray packaging SIM7075G module support tray packaging. Figure 36: packaging diagram Module tray drawing： Figure 37: Tray drawing www.simcom.com 63 / 74...
  • Page 64 SIM7075G User Manual V1.00 Table 41: Tray size Length（±3mm） Width（±3mm） Module number 242.0 161.0 Small carton drawing： Figure 38: Small carton drawing Table 42: Small Carton size Length（±10mm） Width（±10mm） Height（±10mm） Module number 20*20=400 Big carton drawing： www.simcom.com 64 / 74...
  • Page 65 SIM7075G User Manual V1.00 Figure 39: Big carton drawing Table 43: Big Carton size Length（±10mm） Width（±10mm） Height（±10mm） Module number 400*4=1600 www.simcom.com 65 / 74...
  • Page 66 SIM7075G User Manual V1.00 8. Appendix A. Reference Design Refer to <SIM7075G Reference Design V1.01> for the details. Figure 40: Reference design www.simcom.com 66 / 74...
  • Page 67 SIM7075G User Manual V1.00 B. Design check list Table 44: Schematic Check List Items Insure the supply voltage for VBAT is withintherange Insure the maximum supply current for VBAT is above its consumption when it is maximum power emission. Insure the capacitor for VBAT is meet its request, in order to avoid the voltage drop exceed 300mV.
  • Page 68 SIM7075G User Manual V1.00 There should be enough ground around the RF line. RF lines Routing prohibit right angles and sharp angles, trying to trace circular or obtuse angle line. The RF line reference GND should be complete. And avoid high speed lines crossing below it. the GND side of the RF output pin should be non hot welding disk The routing which is RF output PIN to antenna should be isolated from other high-speed lines.
  • Page 69 SIM7075G User Manual V1.00 LTE-FDD device category Max data rate（peak） Modulation type (Downlink) Category M1 300 kbps QPSK/16QAM Category NB2 20 kbps BPSK/QPSK LTE-FDD device category Max data rate（peak） Modulation type (Uplink) Category M1 300 kbps QPSK/16QAM Category NB2 10.3 kbps BPSK/QPSK D.
  • Page 70 SIM7075G User Manual V1.00 Electromagnetic compatibility and Radio Spectrum Matters (ERM); Electromagnetic Compatibility (EMC) standard for radio equipment [15] EN 301 489-24 V1.2.1 and services; Part 24: Specific conditions for IMT-2000 CDMA Direct Spread (UTRA) for Mobile and portable (UE) radio and ancillary equipment [16] IEC/EN60950-1(2001)
  • Page 71 SIM7075G User Manual V1.00 Enhanced Full Rate EGSM Enhanced GSM Electromagnetic Compatibility Electrostatic Discharge European Telecommunication Standard EVDO Evolution Data Only Federal Communications Commission (U.S.) SIM fix dialing phonebook FDMA Frequency Division Multiple Access Full Rate GMSK Gaussian Minimum Shift Keying GNSS Global Navigation Satellite System GPRS...
  • Page 72 SIM7075G User Manual V1.00 EDGE Enhanced data rates for GSM evolution HSDPA High Speed Downlink Packet Access HSUPA High Speed Uplink Packet Access Zero intermediate frequency WCDMA Wideband Code Division Multiple Access VCTCXO Voltage control temperature-compensated crystal oscillator Universal subscriber identity module UMTS Universal mobile telecommunications system UART...
  • Page 73 SIM7075G User Manual V1.00 cellular terminal or mobile must be switched on and in a service area with adequate cellular signal strength. Some networks do not allow for emergency call if certain network services or phone features are in use (e.g. lock functions, fixed dialing etc.). You may have to deactivate those features before you can make an emergency call.
  • Page 74 SIM7075G User Manual V1.00 distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This Modular Approval is limited to OEM installation for mobile and fixed applications only.