The 2017-2717-140 from Cross Technologies is a Block Up/Down Converter with Input Upconverter Frequency 140 MHz, Input Downconverter Frequency 950 MHz to 1.75 GHz, Output Upconverter Frequency 2 to 2.7 GHz, Output Downconverter Frequency 140 MHz, Gain -10 to 30 dB(Up), 0 to 50 dB(Down). Tags: Rack Mount. More details for 2017-2717-140 can be seen below.