HCM-NB
HCM-NB NB-IoT Communication Module
NB-IoT communication module for smart meter connectivity. Provides low-power, wide-area network communication for AMI deployments, enabling remote meter reading and real-time data collection over cellular infrastructure.
Key Features
- 3GPP NB-IoT Release 14 compliant
- Deep indoor coverage (-20dB link budget gain)
- Ultra-low power consumption
- Plug-in module for Hexing meter range
- Firmware over-the-air (FOTA) updates
- Encrypted communication (AES-128/256)
- Support for multiple African MNOs
Technical Specifications
| Technology | NB-IoT (3GPP Rel. 14) |
| Frequency Bands | Band 8 (900MHz), Band 28 (700MHz) |
| Transmit Power | +23 dBm |
| Data Rate | Up to 250 kbps DL / 250 kbps UL |
| Protocol | CoAP / MQTT / DLMS-COSEM |
| Security | AES-128/256 encryption, TLS 1.2 |
| Operating Temperature | -40°C to +85°C |
| Interface | UART / SPI |
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