Broadband Dual-Mode Communication Unit (Single-Phase Smart Gateway Meter)
Product Description
Adapted to the single-phase smart gateway energy meter of China Southern Power Grid (CSG), the device is powered by CSG’s Power HarmonyOS and integrated with broadband and wireless dual-mode communication. It enables high-speed meter data uploading, command reception, and device status monitoring. Fully compatible with CSG’s distribution transformer district electricity consumption information collection system, it ensures stable and real-time data transmission in single-phase electricity scenarios, driving the digital upgrade of smart electricity management.

Product Advantages
Supports Interoperability.
Strong anti-interference capability, with the HPLC frequency band well away from power line noise.
Dual-mode redundancy backup, strong channel adaptability, automatic network switching, avoiding communication interruption.
Supports distributed networking and inter-network coordination.
Powered by China Southern Power Grid (CSG)'s Power HarmonyOS, supporting the HarmonyOS ecosystem.
Deeply adapted to CSG protocols, offering high compatibility and plug-and-play convenience.
Supports CSG advanced applications, including transformer district identification and phase recognition.
Low power consumption design, meeting the long-term operation requirements of energy meters.
Broadband Dual-Mode Communication Unit (Single-Phase Smart Gateway Meter)
Single-Phase Smart Gateway Meter
| Modulation | OFDM |
| HPLC Operating Frequency Band | 2MHz~12MHz, 2.4MHz~5.6MHz, 0.7MHz~3MHz |
| HRF Operating Frequency Band | 470 MHz ~510MHz |
| Number of Serial Ports | 2 |
| Serial Port Communication Rate | Adaptive 1200bps, 2400bps, 4800bps, 9600bps, 115200bps |
| Operating Voltage | 220VAC (176V~264V) |
| +12V DC (11~24V) | |
| Power Consumption | Quiescent Power ≤0.25W |
| Dynamic Power ≤1.5W | |
| Operating Temperature | -40℃~+70℃ |
| Communication Range | Entire Distribution Transformer Area |
| HPLC Anti-Attenuation Performance | >95dB |
| HRF Transmit Power Limit | ≤50mW (e.r.p) |



