HCM-4G
HCM-4G GPRS/4G Communication Module
Dual-mode GPRS/4G LTE communication module for smart meters and DCUs. Provides high-bandwidth cellular connectivity for data-intensive AMI applications including load profile downloads and firmware updates.
Key Features
- 4G LTE Cat-1 with GPRS fallback
- High data throughput for bulk transfers
- Integrated SIM slot (standard + eSIM support)
- DLMS/COSEM protocol stack
- Remote configuration and diagnostics
- Multi-operator roaming support
- Compact plug-in form factor
Technical Specifications
| Technology | 4G LTE Cat-1 / GPRS |
| Frequency Bands | LTE B1/B3/B7/B8/B20/B28 |
| Data Rate | 10 Mbps DL / 5 Mbps UL (LTE) |
| SIM | Nano SIM + eSIM support |
| Protocol | TCP/IP, DLMS-COSEM, MQTT |
| Security | TLS 1.2, AES-256 |
| Operating Temperature | -40°C to +85°C |
| Interface | UART / USB |
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