The WTRCT10-2300-2600-5-12-40M-5 from Wainwright Instruments is a Tunable Filter with Frequency 2.3 to 2.6 GHz, Tunable Frequency 300 MHz, Bandwidth 5 MHz, Rejection 40 dB, Insertion Loss 1.25 to 2.5 dB. Tags: Module with Connectors, Digitally Controlled. More details for WTRCT10-2300-2600-5-12-40M-5 can be seen below.