The WTRCTV5-750-1000-20-70-60-9 from Wainwright Instruments is a Tunable Filter with Frequency 0.75 to 1 GHz, Tunable Frequency 250 MHz, Bandwidth 20 MHz, Rejection 60 dB, Insertion Loss 0.5 to 0.75 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCTV5-750-1000-20-70-60-9 can be seen below.