The WTBCTV5-700-1000-10-70-40M-71 from Wainwright Instruments is a Tunable Filter with Frequency 0.7 to 1 GHz, Tunable Frequency 300 MHz, Bandwidth 10 MHz, Rejection 40 dB, Insertion Loss 1 to 1.5 dB. Tags: Module with Connectors, Digitally Controlled. More details for WTBCTV5-700-1000-10-70-40M-71 can be seen below.