The WTRCT8-840-1000-5-8-40-11 from Wainwright Instruments is a Tunable Filter with Frequency 0.84 to 1 GHz, Tunable Frequency 160 MHz, Bandwidth 5 MHz, Rejection 40 dB, Insertion Loss 0.6 to 2.5 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCT8-840-1000-5-8-40-11 can be seen below.