The WBCGV5-1408-1428-1448-1468-30 from Wainwright Instruments is a Band Pass Filter with Frequency 1.428 to 1.448 GHz, Bandwidth 20 MHz, Center Frequency 1.438 GHz, Insertion Loss 1 to 1.5 dB, Rejection 30 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCGV5-1408-1428-1448-1468-30 can be seen below.