The ERZ-BUC-4775-4825-37 from ERZIA is a Block Upconverter with DC Voltage 24 to 32 V, Gain 50 to 52 dB(Small Signal), Gain Flatness ±1 dB, Input Frequency 1.25 to 1.75 GHz, Input Power 0 dBm. Tags: Module with Connectors. More details for ERZ-BUC-4775-4825-37 can be seen below.