Amphenol's A Series connectors include the AT, ATM, ATP and AHD Series. They have key placement in all areas of heavy duty equipment, agriculture, marine, automotive, military, alternative energy and other demanding interconnect applications. Based on Amphenol's time-tested design, their connectors offer high performance capabilities and are compatible with other existing standard products industry-wide. Amphenol also offers a variety of NMEA Connectors.