The WTRCTW10-2000-2700-5-12-40-15 from Wainwright Instruments is a Tunable Filter with Frequency 2 to 2.7 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 WTRCTW10-2000-2700-5-12-40-15 can be seen below.