The UPB-WS-28.75 from Narda-MITEQ is a Block Up Converter with IF frequency 950 MHz to 1.45 GHz, RF/Output Frequency 28.5 to 29 GHz, LO Frequency 27.55 GHz, P1dB 13 dBm, Output Power 13 dBm. Tags: Module with Connectors. More details for UPB-WS-28.75 can be seen below.