The WTRCT8-670-830-5-10-40-23 from Wainwright Instruments is a Tunable Filter with Frequency 0.67 to 0.83 GHz, Tunable Frequency 160 MHz, Bandwidth 5 MHz, Rejection 40 dB, Insertion Loss 0.6 to 1.25 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCT8-670-830-5-10-40-23 can be seen below.