The WTRCTW10-1700-2400-5-12-40-23 from Wainwright Instruments is a Tunable Filter with Frequency 1.7 to 2.4 GHz, Tunable Frequency 700 MHz, Bandwidth 5 MHz, Rejection 40 dB, Insertion Loss 1.25 to 2.5 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCTW10-1700-2400-5-12-40-23 can be seen below.