The ZMOD-X1 from Antenna Technology Communications is a Modulator with LO Frequency 950 to 1750 MHz, IF Frequency 50 to 180 MHz, Voltage 100 to 120 VAC, 220 to 240 VAC, RF Output Power -30 to 5 dBm. Tags: Rack Mount. More details for ZMOD-X1 can be seen below.