This is the Clansman Gold Top ANR Active Noise Reduction version of the Interconnecting Box 3-Radio or IB3. The IB3 is the main unit in the Clansman vehicle harness. It provides the Intercom Amplifier, local/remote rebroadcast and a stabilised DC power supply for the rest of the harness and can be connected up to three Clansman radios. There is audio socket for the local operator, a remote user can also be connected into the harness to use an installed radio or to have intercommunication with the crew. Supplied in good working condition, Grade 2. NSN: 5820-99-842-2189.
