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HUAWEI MG323 GSM M2M Module
Hardware Guide
Antenna Interface
Issue 06 (2013-06-13)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
34
4.6 Specifications of the Antenna Interface
Table 4-3 lists the recommended specifications of the antenna interface.
Table 4-3 Recommended specifications of the antenna interface
Working bands 824 MHz960 MHz and 1710 MHz1990 MHz
Port impedance 50 Ω
Voltage standing
wave ratio (VSWR)
< 3:1
Maximum gain > 2.5 dBi
Antenna efficiency
> 40% @824 MHz960 MHz; 50% @1710 MHz1990 MHz
Polarization Linear polarization
Pattern Omnidirectional