ETC ETC ERCOI-AU Contact output interface, 8-30vDC, 250mA max power input, (4) dry contact type-C relays (Com, N.C., N.O.), 902MHz radio MSRP:
ETC ETC ERCII-AU Contact input interface, 8-30vDC, 250mA max power input, (4) dry contact inputs to wireless outputs, 902MHz radio MSRP: