Profile: G4S Technology specializes in the installation & service, manufacture and design of access control systems & digital video (CCTV) systems. Our product line includes unified security intelligence, access control, video management, network cameras, card readers, system controllers, identity & alarm management, smart card & biometrics and threat level management. Our M2150 range of controllers provide a resilient and fault tolerant access control solution that will continue to operate in the unlikely event of database server or network infrastructure failure.