The 1080-084 from SouthWest Antennas is a temperature compensated Cavity Band Pass Filter with a passband of 2479 to 2501 MHz. The filter has an insertion loss of under 2 dB and more than 60 dB of rejection above and below the passband. It can handle up to 30 watts of power and is available in a weather sealed machined aluminum module that measures 4.25 x 2.21 x 1 inches with TNC male/female connectors.