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Hardware Integration Guide

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Summary of Contents for EM9191

Page 1: ...Hardware Integration Guide August 22 2022 ...

Page 2: ...nterfere with various onboard systems Note Some airlines may permit the use of cellular phones while the aircraft is on the ground and the door is open Dejero Labs Inc modems may be used at this time The driver or operator of any vehicle should not operate the Dejero Labs Inc modem while in control of a vehicle Doing so will detract from the driver or operator s control and operation of that vehic...

Page 3: ...ademarks Windows and Windows Vista are registered trademarks of Microsoft Corporation Macintosh and Mac OS X are registered trademarks of Apple Inc registered in the U S and othercountries QUALCOMM is a registered trademark of QUALCOMM Incorporated Used under license Other trademarks are the property of their respective owners Contact Information Sales information and technical support including w...

Page 4: ...evice generated RF Interference 12 3 4 4 Methods to Mitigate Decreased Rx Performance 12 3 4 5 Radiated Spurious Emissions RSE 12 3 5 Radiated Sensitivity Measurement 12 3 5 1 Dejero Labs Inc Sensitivity Testing and Desensitization Investigation 13 3 5 2 Sensitivity vs Frequency 13 3 6 Supported Frequencies 13 3 7 Antenna Specification 16 3 7 1 Recommended WWAN Antenna Specifications 16 3 7 2 Reco...

Page 5: ...t an appropriate antenna is being used 1 2 Required Connectors Table 1 1 describes the connectors used to integrate the EM9191 Embedded Module into your host device Table 1 1 Required Host Module Connectors1 Connector Type Description RF cables 5G NR Sub 6G LTE GNSS Mate with M 2 spec connectors Four connector jacks mate with I PEX 20448 001R 081 or equivalent RF cables mmWave Eight connector jack...

Page 6: ...ipple voltage 100 mVpp Peak Current 4000 mA Continuous Current TBD mA GND 3 5 11 27 33 39 45 51 57 71 73 0 V 2 2 Module Power States The module has five power states as described in Table 2 2 Table 2 2 Module Power States State Details Host Is Powered Host Interface Active RF Enabled Normal Default State Module is active Default state Occurs when VCC is first applied Full_Card_Power_Off is deasser...

Page 7: ...mperature and notifies the host when critical threshold limits are exceeded See Table 2 3 for trigger details and Figure 2 1 for state machine behavior Power state transitions may occur Automatically when critical supply voltage or module temperature trigger levels are encountered Under host control using available AT commands in response to user choices for example opting to switch to airplane mo...

Page 8: ...ture warning current_vcc VOLT_LO_CRIT current_temp TEMP_HI_CRIT current_vcc VOLT_HI_CRIT Low power mode Manual transition Off mode Handled by current_temp TEMP_LO_CRIT current_vcc VOLT_HI_NORM current_temp TEMP_NORM_LO Handled by Power State state machine Host deasserts Full_Card_Power_Off Power State state machine Figure 2 1 Voltage Temperature Monitoring State Machines Note Make sure that your s...

Page 9: ...t have integrated antennas Refer to Table 3 1 for each pair of coaxial connections For low power usage if not all 4 QTM525 modules are equipped integration sequence from QTM0 to QTM3 is recommended leave unused connectors NC Contact Dejero Labs Inc as the RFC has to be updated to reflect the number of QTMs Note that for high power usage it s not recommended to leave any QTM527 NC as it will violat...

Page 10: ...Antenna has been verified as a reference For detailed electrical performance criteria see Antenna Specification Choosing the Correct Sub 6G Antenna and Cabling When matching antennas and cabling The antenna and associated circuitry should have a nominal impedance of 50Ω with a return loss of better than 10 dB across each frequency band of operation The system gain value affects both radiated power...

Page 11: ...blishing a very good ground connection to the module through the host connector Connect to system ground using the ground hole shown in Figure 3 1 Minimize ground noise leakage into the RF Depending on the host board design noise could potentially be coupled to the module from the host board This is mainly an issue for host designs that have signals traveling along the length of the module or circ...

Page 12: ...vestigate sources of localized interference early in the design cycle To reduce the effect of device generated RF on Rx performance Put the antenna as far as possible from sources of interference The drawback is that the module may be less convenient to use Shield the host device The module itself is well shielded to avoid external interference However the antenna cannot be shielded for obvious re...

Page 13: ... the RF level at which throughput is 95 of maximum 5G NR Sub 6G bands sensitivity is defined as RF level at which throughput is 95 of maximum 3 6 Supported Frequencies The EM9191 supports data operation on 5G NR 4G LTE and 3G networks over the bands described in Table 3 2 Table 3 2 RF Band Support Technology Bands 5G mmWave1 n257 n258 n260 n261 Sub 6G n1 n2 n3 n5 n28 n41 n66 n71 n77 n78 n79 LTE LT...

Page 14: ...s 704 716 MHz 734 746 MHz 18 Yes 815 830 MHz 860 875 MHz 19 Yes Yes 830 845 MHz 875 890 MHz 20 Yes 832 862 MHz 791 821 MHz 25 Yes 1850 1915 MHz 1930 1995 MHz 26 Yes 814 849 MHz 859 894 MHz 28 Yes Yes 703 748 MHz 758 803 MHz 29 Yes N A 717 728 MHz 30 Yes 2305 2315 MHz Note B30 Tx is disabled 2350 2360 MHz 32 Yes N A 1452 1496 MHz 34 Yes 2010 2025 MHz TDD 38 Yes 2570 2620 MHz TDD 39 Yes 1880 1920 MH...

Page 15: ...Yes3 Yes3 B40 Yes Yes Yes Yes B41 Yes Yes Yes Yes B42 Yes Yes Yes Yes B46 Yes Yes B48 Yes Yes Yes Yes B66 Yes Yes Yes Yes Yes Yes B71 Yes Yes Yes Yes2 Yes2 Yes2 1 Table contents are derived from 3GPP TS 36 521 1 v15 5 0 table 5 4 2 1 1 2 Bandwidth for which a relaxation of the specified UE receiver sensitivity requirement Clause 7 3 of 3GPP TS 36 521 1 v15 5 0 is allowed 3 Bandwidth for which upli...

Page 16: ...ntennas used with embedded modules The performance specifications described in this section are valid while antennas are mounted in the host device with antenna feed cables routed in their final application configuration Note Antennas should be designed before the industrial design is finished to make sure that the best antennas can be developed 3 7 1 Recommended WWAN Antenna Specifications Table ...

Page 17: ...ands frequency range 20dB for Ant1 and Ant4 at B41 frequency range If antennas can be moved test all positions for both antennas Make sure all other wireless devices Bluetooth or WLAN antennas etc are turned OFF to avoid interference Power Handling 1W Measure power endurance over 4 hours estimated talk time using a 1 W CW signal set the CW test signal frequency to the middle of each supporting Tx ...

Page 18: ...f View FOV Omni directional in azimuth 45 to 90 in elevation Polarization Average Gv Gh 0 dB Vertical linear polarization is sufficient Free Space Average gain Gv Gh over FOV 6 dBi preferably 3 dBi Gv and Gh are measured and averaged over 45 to 90 in elevation and 180 in azimuth Gain Maximum gain and uniform coverage in the high elevation angle and zenith Gain in azimuth plane is not desired Avera...

Page 19: ...any other party including but not limited to personal injury death or loss of property Dejero Labs Inc and its affiliates accept no responsibility for damages of any kind resulting from delays or errors in data transmitted or received using the Dejero Labs Inc module or for failure of the Dejero Labs Inc module to transmit or receive such data 4 2 Safety and Hazards Do not operate your EM9191 modu...

Page 20: ...ultaneously with other collocated radio transmitters within a host device provided the following conditions are met Each collocated radio transmitter has been certified by FCC IC for mobile application At least 20 cm separation distance between the antennas of the collocated transmitters and the user s body must be maintained at all times The radiated power of a collocated transmitter must not exc...

Page 21: ...rohibit the use of external vehicle mounted antennas for mobile and portable stations in this band Fixed stations may use antennas with higher gain in Band 30 due to relaxed EIRP limits EM9191 modules used as fixed subscriber stations in Canada or fixed customer premises equipment CPE stations in the United States may have an antenna gain up to 9 dBi in Band 30 however the use of outdoor antennas ...

Page 22: ... incorporated with a statement similar to the following This device contains FCC ID Y99DEJEM91 IC 12762A DEJEM91 5 A user manual with the end product must clearly indicate the operating requirements and conditions that must be observed to ensure compliance with current FCC IC RF exposure guidelines The end product with an embedded EM9191 module may also need to pass the FCC Part 15 unintentional e...

Page 23: ...ement sets rates for communications services determines standards for equipment and controls broadcast licensing Consult http www fcc gov FDD Frequency Division Duplexing Galileo A European system that uses a series of satellites in middle earth orbit to provide navigational data GCF Global Certification Forum GLONASS Global Navigation Satellite System A Russian system that uses a series of 24 sat...

Page 24: ...F Measure of lowest power signal at the receiver input that can provide a prescribed BER BLER SNR value at the receiver output SIM Subscriber Identity Module Also referred to as USIM or UICC SKU Stock Keeping Unit identifies an inventory item a unique code consisting of numbers or letters and numbers assigned to a product by a retailer for purposes of identification and inventory control SNR Signa...

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