The 2017-2727 from Cross Technologies is a Block Up/Down Converter with Input Upconverter Frequency 950 MHz to 1.15 GHz, Input Downconverter Frequency 2.5 to 2.7 GHz, Output Upconverter Frequency 2.5 to 2.7 GHz, Output Downconverter Frequency 1.25 to 1.45 GHz, Gain -10 to 30 dB(Up), 0 to 50 dB(Down). Tags: Rack Mount. More details for 2017-2727 can be seen below.