The LoRa Alliance describes LoRaWAN as, a Low Power, Wide Area (LPWA) networking protocol designed to wirelessly connect battery operated things to the internet in regional, national or global networks, and targets key Internet of Things (IoT) requirements such as bi-directional communication, end-to-end security, mobility and localization services.
| Description | Specification |
| Sensor Type | Watermark Soil Tension 30cm and 60cm depth |
| Sensor Measuring Range | Soil Tension: 0 to -200kPa |
| Sensor Measuring Method | Electrical Resistance inside of a Granular Matrix |
| Sensor Interface Protocol | Analog |
| Node Communication | LoRaWAN AS923MHz, other frequencies please contact us |
| Node Casing IP Rating | IP67 |
| Node Antenna Gain | 3dBi |
| Power Source | Battery LiSIOC2 3.6V 14000mAh or AA Battery 1.5V (Energizer) |
| Current Consumption | EAverage operating current: 40mA Current during sleep: 4uA |
| Estimate Battery Lifespan | 3-4 years with 30 min sending interval |
