Bidireccional communication allows 2WPGM to receive transceiver commands from MAGELLAN and then confirmit. 5A programmable relay output. Requires AC or DC power source (6VAC a 16.5VAC ó 5VDC a 30VDC). PGM deactivation for events or time. Universal emitter input (N.O/N.C). Not compatible with SP4000.