The UPB2-WS-44.5.1 from Narda-MITEQ is a Block Up Converter with IF frequency 1 to 2 GHz, RF/Output Frequency 43.5 to 45.5 GHz, LO Frequency 42.5 GHz / 43.5 GHz, P1dB 10 dBm, Output Power 10 dBm. Tags: Module with Connectors. More details for UPB2-WS-44.5.1 can be seen below.