What is Bi-directional Movement Of Turnstile Gate ?

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Descriptions:

Bi-directional Movement Of Turnstile Gate means one unit of turnstile gate can set as in and out entry or exit at the same time.

Solution:

It need to install 2 units of Access control card reader and 1 unit of Tcp Ip door access controller on wiring to each unit turnstile gate mainboard to make it the bidirection read card access for the client,s special project request to save the cost and compete.