The WTRCT20-2300-2600-10-14-30-3 from Wainwright Instruments is a Tunable Filter with Frequency 2.3 to 2.6 GHz, Tunable Frequency 300 MHz, Bandwidth 10 MHz, Rejection 30 dB, Insertion Loss 2.25 to 3 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCT20-2300-2600-10-14-30-3 can be seen below.