The WTRCTV5-1700-2000-20-60-40M-43 from Wainwright Instruments is a Tunable Filter with Frequency 1.7 to 2 GHz, Tunable Frequency 300 MHz, Bandwidth 20 MHz, Rejection 40 dB, Insertion Loss 0.75 to 1.5 dB. Tags: Module with Connectors, Digitally Controlled. More details for WTRCTV5-1700-2000-20-60-40M-43 can be seen below.