The WTRCT10-2180-2600-10-16-20 from Wainwright Instruments is a Tunable Filter with Frequency 2.18 to 2.6 GHz, Tunable Frequency 420 MHz, Bandwidth 10 MHz, Rejection 20 dB, Insertion Loss 1.25 to 1.75 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCT10-2180-2600-10-16-20 can be seen below.