In summary, the Amphenol Sine Systems AT series connectors were designed as a high-performance, cost-effective solution to be used within the heavy equipment, agricultural, automotive, military, alternative energy and other demanding interconnect architectures. The AT series connectors contain environmental seals, seal retention capabilities, and feature RockSolid™ contact technology. The AHD series connectors were developed in response to the overwhelming need for an economic alternative to today’s existing diagnostic product options. Designed specifically as a cost-conscious, reliable alternative, intermateable to industry standard 6 and 9 pin connectors, the AHD series is ideal for any solution where either controlled and/or uncontrolled environmental conditions exist.