Absorptive Filters – AF9187 Low Pass Absorptive Filter covers the full 10-490 MHz band rated at 100 W CW. Absorptive Filters – AF9187 is non-reflective, allowing in-band signals to pass through the filter, while internally terminating out-of-band signals. The AF9187 offers a pass band of 10-490 MHz and stop band of 850-3000 MHz. The unit better than 45 dB Rejection and less than 0.55 dB of Insertion Loss. The unit measures 2.5 x 1.265 x 1.0″ with all SMA-F connectors. Above all, Werlatone Absorptive Filters operate with low loss and eliminate the risk of damage to your power amplifiers due to high-power energies outside your band.