The WTRCT5-670-830-5-10-35-39 from Wainwright Instruments is a Tunable Filter with Frequency 0.67 to 0.83 GHz, Tunable Frequency 160 MHz, Bandwidth 5 MHz, Rejection 35 dB, Insertion Loss 0.5 to 1.5 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCT5-670-830-5-10-35-39 can be seen below.