The WTRCD20-1700-2000-20-24-40-24 from Wainwright Instruments is a Tunable Filter with Frequency 1.7 to 2 GHz, Bandwidth 20 MHz, Rejection 40 dB, Insertion Loss 2.25 to 3.5 dB, Operating Temperature 15 to 45 Degrees C. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCD20-1700-2000-20-24-40-24 can be seen below.