HUAWEI ME909s Series LTE Mini PCIe Module
Hardware Guide
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
4.3.2 Test Standards ....................................................................................................................... 34
4.4 Conducted Rx Sensitivity and Tx Power ........................................................................................ 34
4.4.1 Conducted Receive Sensitivity .............................................................................................. 34
4.4.2 Conducted Transmit Power ................................................................................................... 36
4.5 Antenna Design Requirements ...................................................................................................... 37
4.5.1 Antenna Design Indicators..................................................................................................... 37
4.5.2 Interference ........................................................................................................................... 40
4.5.3 Antenna Requirements .......................................................................................................... 40
4.6 Suggestions about LTE and 2.4 GHz Wi-Fi Co-existence ............................................................. 41
4.6.1 Theory Analysis ..................................................................................................................... 41
4.6.2 Suggestions about the Interference ...................................................................................... 42
5 Electrical and Reliability Features ........................................................................................... 43
5.1 About This Chapter ......................................................................................................................... 43
5.2 Absolute Ratings ............................................................................................................................ 43
5.3 Operating and Storage Temperatures ............................................................................................ 43
5.4 Power Supply Features .................................................................................................................. 44
5.4.1 Input Power Supply ............................................................................................................... 44
5.4.2 Power Consumption .............................................................................................................. 45
5.5 Reliability Features ......................................................................................................................... 54
5.6 EMC and ESD Features ................................................................................................................. 57
6 Mechanical Specifications ......................................................................................................... 60
6.1 About This Chapter ......................................................................................................................... 60
6.2 Dimensions ..................................................................................................................................... 60
6.3 Packaging ....................................................................................................................................... 62
6.4 Specification Selection for Fasteners ............................................................................................. 64
6.4.1 Installing the Mini PCIe Adapter on the Main Board .............................................................. 64
6.4.2 Romoving the Mini PCIe Adapter from the Main Board ........................................................ 65
6.5 Antenna Plug .................................................................................................................................. 66
6.6 Thermal Design Guide ................................................................................................................... 67
7 Certifications ................................................................................................................................ 70
7.1 About This Chapter ......................................................................................................................... 70
7.2 Certifications ................................................................................................................................... 70
8 Safety Information ...................................................................................................................... 71
8.1 Interference .................................................................................................................................... 71
8.2 Medical Device ............................................................................................................................... 71
8.3 Area with Inflammables and Explosives ......................................................................................... 71
8.4 Traffic Security ................................................................................................................................ 72
8.5 Airline Security ................................................................................................................................ 72
8.6 Safety of Children ........................................................................................................................... 72
8.7 Environment Protection .................................................................................................................. 72
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