2solid state; remotely programmable, talker & listener; antenna; power: 115/230v AC porm 10.0pct, 50/60/400hz or 22 to 36v DC , neg ground, automatic switch over upon loss of ac power; dim: 19.000 in. W, 11.000 in. H, 22.000 in. D; rack mounting; 40.0lb