Auto gate (abbreviation for AG) ( In the domestic, it is generally called auto gate, access gate, entrance machine, etc. And it is generally called turnstile and baffle gate aboard). An auto gate is a channel blocking device (a channel management device), which is used for managing people and standardizing the access of pedestrian. Its most basic and core function is to realize that one person pass at a time and it can be used for entrance of various occasions. http://www.turnstilecn.com/resources/pedestrian-security-gate-overview.html