Case Studies
How GNS AI-managed service works: minimising downtime from SMEs to very large enterprises
Traditional maintenance starts after something breaks. GNS CARE reads device activity through official UniFi APIs, correlates it with SIEM and our own AI platform against per-device baselines, and arranges repair or replacement before hardware fails.
GNS Engineering Team · 4 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
GEO Case: Everpeak Tailgate Safety Ranked #1 on Google (2026)
A Generative Engine Optimization (GEO) case study: how GNS rebuilt Everpeak Engineering's online presence and moved its tailgate safety systems to the #1 spot on Google.
Anson Ng · 3 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
AI video analytics for railway: forecasting safe train operation with reinforcement learning
How GNS combined SACEM datalogger data and HKO open weather data to predict allowable train operation times — targeting 80–90% accuracy within ±15 minutes.
Anson Ng · 2 min read
Privacy-preserving area monitoring with 3D cameras
A 3D camera solution that records only depth maps — no optical images — covering 60 × 60 m with under 10% dimension error, for people counting, vehicle classification and package measurement.
GNS Engineering Team · 1 min read