Research Article
LoRa (Long-Range) High-Density Sensors for Internet of Things
| Technology | LoRa |
| Technique | Chirp spread spectrum | Modulation | Frequency chirps | Channel bandwidth (uplink) | 125 kHz | 250 kHz | 500 kHz | Low power | Battery lifetime of decades | Long range | Tens of kilometers | Data rate | 0.3-50 kbps | Sensitivity | -137 dBm | Link budget | Above 140 dB | Band | ISM: sub-GHz | Communication type | Bidirectional | Transmit power | 14 dBm | Network topology | Star | Proprietary | Semtech |
|
|