Sierra Wireless EM9190, Hardware Integration Manual

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41113915 Rev 0.3 June 17, 2020 4
AirPrime EM9190 Hardware Integration Guide
Contents
1. INTRODUCTION .................................................................................................. 5
1.1. Accessories ......................................................................................................................... 5
1.2. Required Connectors ........................................................................................................... 5
2. POWER ................................................................................................................ 6
2.1. Power Supply....................................................................................................................... 6
2.2. Module Power States .......................................................................................................... 6
2.2.1. Power State Transitions ............................................................................................. 7
3. RF SPECIFICATIONS .......................................................................................... 9
3.1. RF Connections ................................................................................................................. 10
3.1.1. Shielding .................................................................................................................. 10
3.2. Sub-6G Antennas and Cabling .......................................................................................... 10
3.3. Ground Connection ........................................................................................................... 11
3.4. Interference and Sensitivity ............................................................................................... 11
3.4.1. Interference from Other Wireless Devices ............................................................... 11
3.4.2. Host-generated RF Interference .............................................................................. 12
3.4.3. Device-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.
Sierra Wireless’ 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. Recommended GNSS Antenna Specifications ....................................................... 18
4. REGULATORY COMPLIANCE AND INDUSTRY CERTIFICATION ................. 19
4.1. RoHS Directive Compliant ................................................................................................. 19
4.2. Important Notice ................................................................................................................ 19
4.3. Safety and Hazards ........................................................................................................... 19
4.4. Important Compliance Information for the United States and Canada.............................. 20
5. ABBREVIATIONS .............................................................................................. 23