RF Combiner – Model D9903 – 8-Way In-Phase Connectorized Combiner covering the full 649-651 MHz band rated at 4000 W CW. RF Combiner- Model D9903 is designed for military and commercial applications and operates with less than 0.3 dB of Insertion Loss. The D9903 operates as a non-isolated combiner. Choose your specific connector configurations from a list of options. Additional connector configurations for our RF Combiners and RF Dividers, Non-Coherent Combiners and N-Way Combiners are available upon request.