
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 PCIeAdapter 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