The WTRCD5-1700-1900-5-10-22-8 from Wainwright Instruments is a Tunable Filter with Frequency 1.7 to 1.9 GHz, Bandwidth 5 MHz, Rejection 22 dB, Insertion Loss 0.75 to 1.5 dB, Operating Temperature 15 to 45 Degrees C. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCD5-1700-1900-5-10-22-8 can be seen below.