APSS-1B Latching Switch

Dual Carrier loss detector and DC-1000 MHz A/B RF switch. Monitors RF sources "A" and "B". Switches to source "B" and activates sonic alarm if level of "A" falls below user-set limit. Contact closures and front panel LED's indicate whether "A" or "B" are above user-set levels. Specify 115V or 230V.