The WTBCGV8-1700-2000-20-60-40-18 from Wainwright Instruments is a Tunable Filter with Frequency 1.7 to 2 GHz, Bandwidth 20 MHz, Rejection 40 dB, Insertion Loss 2.5 to 3 dB, Operating Temperature 15 to 45 Degrees C. Tags: Module with Connectors, Mechanically Controlled. More details for WTBCGV8-1700-2000-20-60-40-18 can be seen below.