The GMU290310B04 from Genmix Technology is a Block Upconverter with DC Voltage 18 to 36 V, Gain 60 dB, Input Frequency 950 MHz to 1.45 GHz / 950 MHz to 1.95 GHz, LO Frequency 28.05 GHz/ 28.55 GHz / 29.05 GHz / 29.55 GHz, Operating Temperature -40 to 55 Degree C. Tags: Module with Connectors. More details for GMU290310B04 can be seen below.