The WTBCGV6-830-1030-40-84-40 from Wainwright Instruments is a Tunable Filter with Frequency 0.83 to 1.03 GHz, Tunable Frequency 200 MHz, Bandwidth 40 MHz, Rejection 40 dB, Insertion Loss 1.25 to 1.75 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTBCGV6-830-1030-40-84-40 can be seen below.