VHF 136-174 MHz Internal Duplexer, HKFD1001A, Motorola Solutions

Internal VHF band duplexer (136–174 MHz) engineered for repeater applications. Allows simultaneous transmission and reception over a single shared antenna system, removing the need for separate transmit and receive antennas. Features high isolation between transmitter and receiver ports, low insertion loss, and a compact form factor for internal chassis installation.