The WTBCTV3-700-1000-1-20-40-7 from Wainwright Instruments is a Tunable Filter with Frequency 0.7 to 1 GHz, Bandwidth 1 MHz, Rejection 40 dB, Insertion Loss 1.75 to 2 dB, Operating Temperature 15 to 45 Degrees C. Tags: Module with Connectors, Mechanically Controlled. More details for WTBCTV3-700-1000-1-20-40-7 can be seen below.