The WTRCT10-1700-2000-15-30-40M-36 from Wainwright Instruments is a Tunable Filter with Frequency 1.7 to 2 GHz, Tunable Frequency 300 MHz, Bandwidth 15 MHz, Rejection 40 dB, Insertion Loss 1.25 to 2 dB. Tags: Module with Connectors, Digitally Controlled. More details for WTRCT10-1700-2000-15-30-40M-36 can be seen below.