#System Integration
Hong Kong office low-voltage & network engineering: why a specialist SI, not the fit-out contractor
Low-voltage cabling is increasingly handed to renovation contractors, but firewall, VLAN, AP placement and documentation are what make an office network actually work. Here is the difference, and why a specialist should own it.
GNS Engineering Team · 5 min read Why GNS Built Its HQ Network on UniFi: An SI Perspective (2026)
How GNS, as a Hong Kong systems integrator, designed and built its own headquarters network with UniFi switches, routers and door access — with monitoring, cost-effectiveness versus traditional Cisco/FortiGate stacks, and lessons for schools, government offices and SMEs.
GNS Engineering Team · 4 min read
How to Choose a Systems Integrator (SI) in Hong Kong (2026 Guide)
A 2026 guide for Hong Kong businesses and government teams choosing a systems integrator — what an SI does, how to verify credentials, the questions to ask, and where GNS fits.
Anson Ng · 4 min read
Choosing an AI Solution Provider in Hong Kong (2026)
A practical 2026 guide for Hong Kong businesses choosing an AI solution provider — evaluation criteria, budgets and timelines, and why industry track record, data security and local support matter.
Anson Ng · 4 min readTurning Legacy Trains into Connected Assets with Secure IoT Data Integration
Combining industrial IoT hardware, SACEM data collection, secure transmission and intelligent event analysis to unlock the operational data inside legacy transport assets.
GNS Engineering Team · 1 min readSecuring 100M+ Daily Train Logs with Multi-Layer Railway Data Protection
How GNS protects more than 100 million train logs per day with private APN LTE, AES-256 VPN encryption and secure cloud architecture — while keeping real-time analytics running.
GNS Engineering Team · 1 min readBringing Real-Time Train Monitoring to Legacy Rolling Stock with IoT LTE
GNS designed dedicated IoT LTE hardware that connects legacy trains without wireless connectivity to SACEM systems and enables secure, real-time train-log transmission.
GNS Engineering Team · 1 min readKeeping MTR Workshops Running: Hybrid Cloud + On-Premise Failover
A hybrid cloud disaster-recovery architecture for 24/7 railway workshops — automatic failover, industrial-grade Wi-Fi and end-to-end infrastructure deployment by GNS.
GNS Engineering Team · 1 min readBuilding a Digital Maintenance Brain for MTR Workshops
How GNS deployed a large-scale Maintenance Management System (MMS) for MTR workshop operations — real-time collaboration, preventive maintenance and precise parts tracking for a 100-person team.
GNS Engineering Team · 2 min read