The WTBCT5-700-1000-10-40-40-26 from Wainwright Instruments is a Tunable Filter with Frequency 0.7 to 1 GHz, Tunable Frequency 300 MHz, Bandwidth 10 MHz, Rejection 40 dB, Insertion Loss 2.5 to 3 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTBCT5-700-1000-10-40-40-26 can be seen below.