The WTRCTV5-400-500-20-70-60-2 from Wainwright Instruments is a Tunable Filter with Frequency 0.4 to 0.5 GHz, Tunable Frequency 100 MHz, Bandwidth 20 MHz, Rejection 60 dB, Insertion Loss 0.5 to 1 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTRCTV5-400-500-20-70-60-2 can be seen below.