The M80-5401242 is a male horizontal PC tail connector from the Datamate J-Tek series, configured with 12 contacts. This board-mount connector is designed without jackscrews and features polarized mouldings with fully shrouded contacts for protection and correct alignment. The contacts have a Gold and Tin finish for reliable connectivity. It is designed to mate with compatible female Datamate J-Tek connectors, making it suitable for robust board-to-board applications requiring secure connections.