RBH Electronics Security Products [India] P Ltd. Offers Controller with Two Access Control Points. RBH Electronics Security Products [India] P Ltd. Manufactures Integrated Access Control and Enterprise Security Management System. The Controller with Two Access Control Points utilizes flash firmware for easy upgrades, and employs fully distributed intelligence for off-line operations. The Controller with Two Access Control Points consists of panel that contains on-board clock and memory backup as well as thermal overload protection.