The WBAK-050G01-0004 from Gilat Wavestream is a Block Upconverter with DC Voltage 20 to 56 V, Gain 62.5 dB(Small Signal Gain), Impedance 50 Ohms, Input Frequency 950 to 1950 MHz, 1000 to 2000 MHz, Operating Temperature -40 to 60 Degree C. Tags: Module with Connectors. More details for WBAK-050G01-0004 can be seen below.