The WTRCT10-2180-2600-20-40-40-1 from Wainwright Instruments is a Tunable Filter with Frequency 2.18 to 2.6 GHz, Tunable Frequency 420 MHz, Bandwidth 20 MHz, Rejection 40 dB, Insertion Loss 1.15 to 1.25 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCT10-2180-2600-20-40-40-1 can be seen below.