The WTRCT10-1400-1700-10-15-40-21 from Wainwright Instruments is a Tunable Filter with Frequency 1.4 to 1.7 GHz, Bandwidth 10 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 WTRCT10-1400-1700-10-15-40-21 can be seen below.