Our experienced team provides tailored, future-ready services that minimise operational disruption while optimising connectivity. Our communications capabilities include:
Optical Network Installations
From design through to integration, we manage seamless network deployments.
In-Building Mobile Coverage
Enhanced wireless performance via distributed antenna systems and signal optimisation.
Data Cabling & Fibre Optics
Full-service structured cabling (Cat 5E/6/6A/7), fibre optic installation, testing, and commissioning.
Wireless Solutions
Point-to-point and Wi-Fi systems to ensure site-wide coverage.
Testing, Commissioning & Integration
Including active equipment installation and fault finding for optimal system performance.
Critical Communications Asset Maintenance
Scheduled and reactive support, including earthing, ESD, and lightning protection.
Cable Hauling & Cut-Over Services
Managed transitions with minimal downtime.
Digital Signage
Professional display systems for dynamic visual communications
Vendor Certification & Warranties
Our technicians are trained and accredited with leading structured cabling manufacturers, allowing us to design and install systems that qualify for extended vendor warranties (up to 25–30 years). This ensures that all installations are compliant with both Australian standards and vendor-specific requirements, providing clients with long-term reliability, performance assurance, and full manufacturer-backed support.
Building Management Systems (BMS)
SJ Electric ensures each solution is designed to meet client-specific requirements, offering comprehensive documentation, auditing, and long-term support across every phase of delivery.