The WTRCJV8-5250-6000-10-80-50-4 from Wainwright Instruments is a Tunable Filter with Frequency 5.25 to 6 GHz, Tunable Frequency 750 MHz, Bandwidth 10 MHz, Rejection 50 dB, Insertion Loss 2 to 2.5 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCJV8-5250-6000-10-80-50-4 can be seen below.