The WTBCGV5-1400-1450-20-60-30-3 from Wainwright Instruments is a Tunable Filter with Frequency 1.4 to 1.45 GHz, Bandwidth 20 MHz, Rejection 30 dB, Insertion Loss 1.25 to 1.5 dB, Operating Temperature 15 to 45 Degrees C. Tags: Module with Connectors, Mechanically Controlled. More details for WTBCGV5-1400-1450-20-60-30-3 can be seen below.