Description
Features
- Metering, EMI protection, voltage detection, valve control, power-off storage
- Supports reed, hall, nonmagnetic, photoelectric sensors
- TDMA synchronizes time, avoids data collision
- Frequency hopping prevents co-channel interference
- Active data bubbling every 24 hours
- Three working modes with long battery life
- Optional Farad or SPC1520 capacitors supported
- Includes ER18505 battery, capacitor, cable, and antenna
Technical Specifications
| Chipset | SX1278, SX1276, SX1262 |
| Application | LoRa Wireless meter reading applications |
| Working Frequency | 475 MHz to 495 MHz |
| Transmitting Power | 17 dBm |
| Frequency Stability | ±5 ppm |
| Working Bandwidth | 125 kHz or 250 kHz |
| Working Voltage | +2.8 V to 6 V |
| Receiving Current | ≤20 mA |
| Transmitting Current | ≤130 mA |
| Transmitting Time | Max transmitting time ≤1.5 s |
| Transmitting Interval | ≤24 hours |
| Distance | ≥3.1 mile (≥5 km) (LOS, line of sight) |
| Electric Parameter of Valve | Voltage: 2.8 V to 3.6 V, Current: ≤160 mA |
| Sleep Current | ≤8 µA |
| Average Working Current | ≤20 µA |
| Working Temperature | -4 °F to 158 °F (-20 °C to 70 °C) (-40 °F to 176 °F (-40 °C to 80 °C) optional) |
| Size | 1.65 in × 0.97 in × 0.12 in (4.21 cm × 2.48 cm × 0.32 cm) |