特征：
1.RJ 45 8-Pin 连接头
2.含麦克风夹挂架和 2 个螺丝
3.内置PTT
4.适用于GM140 GM160 GM340 GM360 GM380 GM640 GM660 GM1280... 
CM140 CM160 CM340 CM360... 
GM300 GM600 GM900
CDM750 CDM1250 CDM1550 CDM1550-LS CDM1550LS Plus
CM140 CM160 CM200 CM300 CM340 CM360 DeskTrac
EM200 EM400 GM1100 GM1200 GM1280 GM140 GM160
GM2000 GM300 GM3188 GM338 GM340 GM350 GM360
GM3688 GM380 GM600 GM640 GM640 GM660 GM900 GM950
GR1125 GR1225 GR300 GR400 GR500 GTX Mobile
LCS2000 LTS2000 M10 M100 M120 M1225 M130 M200
M400 MaraTrac MaxTrac MC2100 MC900 MCS2000
MCX1200 MCX2000 MCX600 MCX760 MCX780 PM400
PRO3100 PRO5100 PRO7100 SM120 SM50