The WTBCGV5-1440-1490-20-60-30-1 from Wainwright Instruments is a Tunable Filter with Frequency 1.44 to 1.49 GHz, Tunable Frequency 50 MHz, Bandwidth 20 MHz, Rejection 30 dB, Insertion Loss 1.25 to 1.5 dB. Tags: Module with Connectors, Mechanically Controlled. More details for WTBCGV5-1440-1490-20-60-30-1 can be seen below.