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HUAWEI MG323 GSM M2M Module
Hardware Guide
Antenna Interface
Issue 04 (2011-08-22)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
32
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 MHz–960 MHz and 1710 MHz–1990 MHz
Port impedance
50 ohms
Voltage standing
wave ratio (VSWR)
< 2.5
Maximum gain
> 0 dBi
Antenna efficiency
> 60%
Polarization
Linear polarization or circular polarization
Pattern
Omnidirectional