Anti Tailgating Speed Gate Turnstile Dual Door Zero Tailgating Security Lane 150W Product Overview This Anti Tailgating Speed Gate Turnstile is specified where one unauthorised person inside the perimeter is already a security incident : data centres , laboratories , pharmaceutical clean zones , cash centres , factory production floors , stadium back of house corridors and high security office lobbies . The weakness of a normal speed gate is that it verifies a credential ,
