RBH Electronics Security Products [India] P Ltd. Manufactures Intelligent Controller with Two Access Control Points. RBH Electronics Security Products [India] P Ltd. Manufactures Integrated Access Control and Enterprise Security Management System. The Intelligent Controller with Two Access Control Points utilizes flash firmware for easy upgrades, and employs fully distributed intelligence for off-line operations. Decisions such as access level changes, schedule activation and card expiration are made by the controller without the need of a computer.