Telex RTS radiocom brt800 (btr-800) 2 chnnel UHF wireless basestation with 2 and 4 wire also.
Excellent condition.more info here http://www.rtsintercoms.com/us/rts/product/BTR-800/1087
exact model 71305c6r
1U unit
2 channel uhf unitused for basestaion for wirelss intercom
frequenciesTX- 554.1 -571.9 mhzrx 704.1 - 721-9 mhz
C6 modulation F3E
Compatibility with Audiocom, Clear-Com, RTS/RTS teles matrix wired andwireless intercoms, dedicated 2-wire XLE and 4-wire RJ-11 connectors