The WTRCT10-2180-2600-5-10-40 from Wainwright Instruments is a Tunable Filter with Frequency 2.18 to 2.6 GHz, Bandwidth 5 MHz, Rejection 40 dB, Insertion Loss 1.25 to 2.5 dB, Operating Temperature 15 to 45 Degrees C. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCT10-2180-2600-5-10-40 can be seen below.