RF Combiner – Model D5321 – 12-Way In-Phase Connectorized Combiner covering the full 470-860 MHz band rated at 5000 W CW. RF Combiner- Model D5321 is designed for military and commercial applications and operates with less than 0.3 dB of Insertion Loss. The D5321 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.