The VMT-1220 HM from Viasat is a SATCOM Terminal with AC Voltage 90 to 264 VAC, Antenna Reflector Size 0.30 m, DC Supply Voltage 120 V, EIRP 39.5 to 46.5 dBW, G/T Ratio 9 to 10.2 dB/K. Tags: SATCOM-On-the-Move. More details for VMT-1220 HM can be seen below.