The Telex BTR-80N
2-Channel UHF Base Station (A4M Telex, A1: 518-536MHz Transmit/614-632MHz
Receive) is a 2-channel, frequency-agile UHF wireless intercom base station
with channel access from each of 4 full-duplex beltpacks, stage announce output
with relay closure, wireless talk around (ISO), the patented Enhanced ClearScan
channel search feature, and a talk/listen headset station at the base.
The BTR-80N features a transparent graphical user interface and a backlit
display, with advanced technology functions such as combination tone code/RF
noise squelch and DSP digital audio processing.
This unit has an A4M Telex headset jack and works on A1: 518-536MHz
Transmit/614-632MHz Receive frequencies.