KSA-1

Switched DC Power from the radio to the intercom system. (L-867 SB Modification)

Fixed levels of receive audio unaffected by volume control for both the intercom system and the siren for radio reboroadcast.

High current (8Amp) SPST relay to activate horn or other device for selective calling, with or without installing the L-861 Horn Relay option. (Mfg. Price $70.00)

Radio PTT and Mic input for intercom system to radio.

Simple hookup with the proper connectors to the radio.