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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.
30
The properties of major materials of the MG323 module are as follows:
PCB: FR4
Antenna pad: cheminal nickel-gold pad
4.3 Coaxial Cable and RF Connector
The U.FL-R-SMT-1(80) RF connector manufactured by Hirose is used as the antenna
interface in the MG323 module. Figure 4-1 shows the RF connector dimensions.
Figure 4-1 RF connector dimensions
Table 4-1 lists the major specifications of the RF connector.
Table 4-1 Major specifications of the RF connector
Rated Condition
Environmental
Condition
Type Material
Frequency
range
Direct current
(DC) to 6 GHz
Temperature
range
40°C
to
+90°C
Shell
Phosphor and copper
plated with silver
Characteristic
impedance
50 Ω Cable core
Gold-plated copper
wire
Insulating
material
Socket: liquid crystal
polyester (LCP)