自动电报发报机
automatic telegraph transmitter
不合法的无线电发报机设备
illegal radio transmitter equipment
大功率商用波段收发报机
high-powered business-band transceiver
地面询问收发报机
ground interrogator transmitter receiver
光电发报机
photoelectric telegraph transmitter
photoelectric transmitter
紧急定位发报机
emergency locator transmitter