The GMU288291B05 from Genmix Technology is a Block Upconverter with DC Voltage 18 to 36 V, Gain 60 dB, Input Frequency 950 MHz to 1.25 GHz, LO Frequency 27.9 GHz, Operating Temperature -40 to 55 Degree C. Tags: Module with Connectors. More details for GMU288291B05 can be seen below.