The WTRCJV8-2500-2700-20-100-50-4 from Wainwright Instruments is a Tunable Filter with Frequency 2.5 to 2.7 GHz, Tunable Frequency 200 MHz, Bandwidth 20 MHz, Rejection 50 dB, Insertion Loss 0.75 to 1.5 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCJV8-2500-2700-20-100-50-4 can be seen below.