GBF-EV16A is an elevator controller designed to control access of 1 elevator with a maximum of 16 floors. Up to 2 GBF readers can be connected to the GBF-EV16 through RS-485 and/or network connections. GBF-EV16 can be fully integrate with GBF Sentrylink smart video intercom system. Use GBF PMS webpage to bind each tenant room with this elevator controller. Each tenant could use GBF APP to grant access to the authorized floors regulated by GBF PMS manager access control management system.