The WTBCGV8-1900-2200-20-60-40-21 from Wainwright Instruments is a Tunable Filter with Frequency 1.9 to 2.2 GHz, Tunable Frequency 300 MHz, Bandwidth 20 MHz, Rejection 40 dB, Insertion Loss 2.5 to 3 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTBCGV8-1900-2200-20-60-40-21 can be seen below.