Came from A&M university when they upgraded their equipment. They have been tested and work properly. They are in good condition. Includes power supply. 


The Telex BTR-800 is a 2-channel, frequency-agile UHF wireless intercom Base Station, with channel access from each of four 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-800 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 E88: 590-608MHz Transmit/470-488MHz Receive frequencies.

Wireless UHF intercom Base Station with frequency agility, full-duplexing, and huge selection of available frequencies organized in independent 18MHz bands
Factory selected preset frequency groups, 1000' operating range, Transmit power level switch
Independent front Portable Station enable/disable buttons with LED status indicators, Telex or RTS front panel 4-pin headset connector reads dynamic or electret headset boom mic type automatically
Enhanced ClearScan two-button frequency selection for optimal, interference- and intermodulation-free location use, ranks available frequencies in order of reliability
Simultaneous support of up to 4 beltpacks, expandable
Large backlit LCD, transparent, menu-driven Graphic User Interface for simplified navigation and assignment
Full function Talk/Listen headset station with dedicated headset and boom mic volume and gain controls ,allows for fifth simultaneous user(director, producer, engineer) on intercom channel
Compatibility with Audiocom, Clear-Com, RTS/RTS matrix wired and wireless intercoms, dedicated 2-wire XLE and 4-wire RJ-11 connectors
Dual Voltage power supply for international use, XLR balanced Auxiliary audio input and output connectivity