The WTBCJV3-5500-6000-20-300-40-2 from Wainwright Instruments is a Tunable Filter with Frequency 5.5 to 6 GHz, Tunable Frequency 500 MHz, Bandwidth 20 MHz, Rejection 40 dB, Insertion Loss 1.75 to 2 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTBCJV3-5500-6000-20-300-40-2 can be seen below.