The UPB-WS-28.35 from Narda-MITEQ is a Block Up Converter with IF frequency 950 MHz to 1.45 GHz, RF/Output Frequency 28.1 to 28.6 GHz, LO Frequency 27.15 GHz, P1dB 13 dBm, Output Power 13 dBm. Tags: Module with Connectors. More details for UPB-WS-28.35 can be seen below.