A.立即傳輸 B.常規(guī)傳輸 C.多選組呼叫和派接組呼叫 D.終端呼叫呼叫
A.功耗50 B.電源電壓10.8~15.6 C.最大電流3.5 D.重量2Kg
A.操作溫度范圍-10~+60 B.最大揚(yáng)聲器負(fù)載1W C.重量243g D.尺寸125×50×33