Decibel Products DB-4072 Rack Mounted Notch Duplexer Decibel Products DB-4072A Rack Mounted Duplexer. Tuning to frequency available. Insertion loss @2.75 MHz: 1.3 dB. © usedradios-live. Comprod – Six Channel UHF Transmitter and Receiver Combiner 450-470 MHz TXRX Bir.

This product will require qualified technician to tune and install.