The WTBCT5-700-1000-10-70-40-27 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 0.75 to 1 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTBCT5-700-1000-10-70-40-27 can be seen below.