RF Combiner – Model D8907 – 4-Way In-Phase Connectorized Combiner covering the full 30-520 MHz band rated at 1000 W CW. RF Combiner- Model D8907 is designed for military and commercial applications and operates with less than 0.7 dB of Insertion Loss. The D8907 operates with better than 18 dB Isolation. 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.