The WTBCGV6-400-500-20-60-30-1 from Wainwright Instruments is a Tunable Filter with Frequency 0.4 to 0.5 GHz, Tunable Frequency 100 MHz, Bandwidth 20 MHz, Rejection 30 dB, Insertion Loss 1 to 1.5 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTBCGV6-400-500-20-60-30-1 can be seen below.