Installation and maintenance of networks, termination and testing and labeling of network points. Installation and programming of PBXs and switches. Installation and maintenance of surveillance cameras. Installation and programming of access control devices, fingerprint attendance systems, and computer devices. Installation, programming, and maintenance of intercoms and video intercoms. Installation and programming of Wi-Fi devices and site connection (PtP, PtMP). Networking: (Cabling, terminations, network cabinets, labeling, testing, network switches & routers, configurations, maintenance) CCTV: (Cabling, installing, configuration of DVRs & NVRs, analog & IP cameras, PTZ cameras, LPR cameras) Video intercom, access control devices, attendance devices, VoIP, PBX & IP telephony, antenna (PtP) & (PtMP).