The VHBU- / VSBU-K2-K3-K4 from WORK Microwave is a Block Up Converter with IF frequency 1250 to 1750 MHz, 950 to 1750 MHz, 950 to 2050 MHz, RF/Output Frequency 17.6 to 18.4 GHz / 17.3 to 18.1 GHz / 17.3 to 18.4 GHz, LO Frequency 16.35 GHz, P1dB 10 dBm, Output Power 10 dBm. Tags: Rack Mount. More details for VHBU- / VSBU-K2-K3-K4 can be seen below.