The 4117-14 from Cross Technologies is a Block Up/Down Converter with Input Upconverter Frequency 200 to 400 MHz, Input Downconverter Frequency 1.2 to 1.4 GHz, Output Upconverter Frequency 1.2 to 1.4 GHz, Output Downconverter Frequency 200 to 400 MHz, Gain 0 to 30 dB. Tags: Rack Mount. More details for 4117-14 can be seen below.