The AF9313 from Werlatone is an Absorptive Lowpass Filter with a passband from 10 to 870 MHz. It has a passband insertion loss of less than 0.6 dB and provides a rejection of more than 53 dB in the stopband from 1700 to 4000 MHz. This filter can handle an input power of up to 100 W in the passband and eliminates the risk of damage to power amplifiers. It is available in a module that measures 2.5 x 1.265 x 1.0 inches with multiple connector options.