The WTRCTV5-2570-2770-1.6-8-40 from Wainwright Instruments is a Tunable Filter with Frequency 2.57 to 2.77 GHz, Tunable Frequency 200 MHz, Bandwidth 1.6 MHz, Rejection 40 dB, Insertion Loss 0.75 to 2 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCTV5-2570-2770-1.6-8-40 can be seen below.