The WTBCGV6-1700-2100-20-90-50-52 from Wainwright Instruments is a Tunable Filter with Frequency 1.7 to 2.1 GHz, Tunable Frequency 400 MHz, Bandwidth 20 MHz, Rejection 50 dB, Insertion Loss 2 to 2.5 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTBCGV6-1700-2100-20-90-50-52 can be seen below.