The WTRCT10-2280-2700-10-20-40-12 from Wainwright Instruments is a Tunable Filter with Frequency 2.28 to 2.7 GHz, Bandwidth 10 MHz, Rejection 40 dB, Insertion Loss 1.25 to 1.5 dB, Operating Temperature 15 to 45 Degrees C. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCT10-2280-2700-10-20-40-12 can be seen below.