G3-PLC & RF Dual-Mode Hybrid Networking Communication Solution

Wired and wireless intelligently complement each other, overcoming the last 1% coverage blind spot to ensure every device stays stably online.

Based on the G3-Hybrid global standard, the industry’s first solution that truly achieves intelligent integration and seamless switching between G3-PLC power line carrier and RF wireless communication, designed specifically to solve the ultimate challenges of coverage and reliability in IoT communication under complex environments.

Technology Areas

IoT

Pain Points and Challenges

1. Coverage blind spots: Pure power line communication is susceptible to line faults, while pure wireless communication is easily blocked in basements and dense areas. There is always the “last 1%” of devices that struggle to maintain a stable connection.
2. Reliability challenges: Power line noise and wireless signal interference coexist. In complex industrial and grid scenarios, the stability of a single communication link cannot guarantee critical business data.
3. High deployment and maintenance costs: To compensate for coverage deficiencies, building two independent communication networks in parallel leads to multiplied costs for equipment, cabling, and maintenance.

Technical Principles

This solution is not a simple overlay, but deeply integrates G3-PLC (IEEE 1901.2/ITU-T G.9903) and RF (IEEE 802.15.4g) standards at the protocol stack level to build a unified hybrid network management architecture. Each node has a built-in intelligent channel selection engine that monitors the quality of both links in real time, achieving seamless optimal routing at the data level.

Innovation/Features

1. Intelligent seamless switching, no blind spots in coverage:
   The node detects PLC and RF channel quality in real time, and business data can automatically select the optimal link for transmission within milliseconds. When power lines are under maintenance, it automatically switches to RF; when signals are blocked, it switches back to PLC, eliminating communication blind spots at the source.
2. Plug-and-Play, All-Inclusive:
   Backward Compatible: Fully integrates with existing pure G3-PLC networks without modifying legacy devices, protecting historical investments.
   Forward Expandable: Directly connects to various RF-only sensor terminals, greatly expanding the access capability and range of IoT devices.
3. High Anti-Interference and Cost Optimization:
   Dual Immunity: RF frequency hopping avoids wireless interference, while PLC multi-modulation technology counters power line noise, forming a three-dimensional protection.
   Cost Reduction and Efficiency: Leverages existing power line infrastructure, reducing additional wireless cabling; a single network supports dual communication, significantly lowering deployment and long-term O&M costs compared to building two separate networks.

Key Performance Data

Scenario-Based Applications

Smart grid scenario: Adapts to core businesses such as smart metering and industrial sensing, achieving comprehensive terminal device coverage and stable data transmission in diverse environments like complex power line interference and building obstructions, ensuring efficient grid dispatch, monitoring, and meter reading operations. It has been successfully applied in the Peru Southern Grid PLUZ 20k smart meter project.

Trust Endorsement

① Authoritative Certification: Holds G3 CENELEC-A+RF Alliance Certificate and G3 FCC+RF Alliance Certificate;
② Standard Compliance: Follows IEEE 1901.2, ITU-T G.9903, IEEE 802.15.4g and other standards, compliant with G3-Hybrid, the industry’s first dual-mode communication standard;
③ Project Validation: Successfully applied in the Peru Southern Grid PLUZ 20k smart meter project, rigorously verified in real-world scenarios.