The VHCU-Ka21 / VSCU-Ka21 from WORK Microwave is a Block Up Converter with IF frequency 70 to 140 MHz, RF/Output Frequency 25 to 28 GHz, LO Frequency 5100 MHz / 4960 MHz, P1dB 10 dBm, Output Power 10 dBm. Tags: Module with Connectors. More details for VHCU-Ka21 / VSCU-Ka21 can be seen below.