The L1953 from Mercury Syatems is a Band Pass Filter with a passband from 0.1 to 910 MHz & 1680 to 1820 MHz. The filter has an insertion loss of under 0.3 dB and an isolation of more than 50 dB. It can handle up to 50 watts of CW power and is available in a module that measures 1.5 x 1.63 x 14 inches with APC 7 mm connectors.
