The LPF6-712-SFF from Planar Monolithics Industries is a Microstrip Lowpass Filter with a passband from DC to 6 GHz. This high Q filter has a low insertion loss of less than 1.5 dB and a rejection of over 50 dBc from 7 to 12 GHz. It has a VSWR of 1.8:1 and is available in a module that measures 3.00 x 0.75 x 0.30 inches with SMA (F) connectors.