The WTBCTV5-1700-1800-10-35-40-13 from Wainwright Instruments is a Tunable Filter with Frequency 1.7 to 1.8 GHz, Tunable Frequency 100 MHz, Bandwidth 10 MHz, Rejection 40 dB, Insertion Loss 2.75 to 3 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTBCTV5-1700-1800-10-35-40-13 can be seen below.