
HUAWEI ME909u-523 LTE LGA Module
Hardware Guide
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3.12 RF Antenna Interface ................................................................................................................... 41
3.13 Tunable Antenna Control.............................................................................................................. 44
3.14 Reserved Interface....................................................................................................................... 45
3.15 NC Interface................................................................................................................................. 45
4 RF Specifications.........................................................................................................................46
4.1 About This Chapter......................................................................................................................... 46
4.2 Operating Frequencies................................................................................................................... 46
4.3 Conducted RF Measurement......................................................................................................... 47
4.3.1 Test Environment................................................................................................................... 47
4.3.2 Test Standards....................................................................................................................... 47
4.4 Conducted Rx Sensitivity and Tx Power........................................................................................ 47
4.4.1 Conducted Receive Sensitivity.............................................................................................. 47
4.4.2 Conducted Transmit Power................................................................................................... 48
4.5 Antenna Design Requirements ...................................................................................................... 49
4.5.1 Antenna Design Indicators .................................................................................................... 49
4.5.2 Interference ........................................................................................................................... 51
4.5.3 Antenna Requirements.......................................................................................................... 52
5 Electrical and Reliability Features...........................................................................................53
5.1 About This Chapter......................................................................................................................... 53
5.2 Absolute Ratings ............................................................................................................................ 53
5.3 Operating and Storage Temperatures............................................................................................ 53
5.4 Electrical Features of USIM ........................................................................................................... 54
5.5 Electrical Features of Application Interfaces.................................................................................. 54
5.6 Power Supply Features.................................................................................................................. 55
5.6.1 Input Power Supply ............................................................................................................... 55
5.6.2 Power Consumption.............................................................................................................. 56
5.6.3 Reliability Features................................................................................................................ 58
5.7 EMC and ESD Features................................................................................................................. 61
6 Mechanical Specifications.........................................................................................................64
6.1 About This Chapter......................................................................................................................... 64
6.2 Storage Requirement..................................................................................................................... 64
6.3 Moisture Sensitivity ........................................................................................................................ 64
6.4 Dimensions and Interfaces............................................................................................................. 65
6.5 Packaging....................................................................................................................................... 65
6.6 Label............................................................................................................................................... 67
6.7 Customer PCB Design................................................................................................................... 67
6.7.1 PCB Surface Finish............................................................................................................... 67
6.7.2 PCB Pad Design.................................................................................................................... 67
6.7.3 Heat Dissipation Solution ...................................................................................................... 68
6.7.4 Solder Mask........................................................................................................................... 68
6.7.5 Requirements on PCB Layout............................................................................................... 69