Wireless Motion Alert Manhole Cover Alarm – GAOTek
Wireless Motion Alert for Manhole Covers. Detects movement and sends real-time alerts via NB-IoT. Monitors activity and prevents unauthorized access.
Description
Description
Technical Specifications
| Measuring Range | 0-180° |
| Shell Material | ABS |
| Power Supply | 3.6V (Lithium Battery) |
| Battery Capacity | 4000mAh (Can be customized) |
| Battery Life | 3 Years (Work normally and send less than 2 pieces of data a day) |
| Working Current | <30µA (Static) |
| Alarm Current | <100mA |
| Measuring Accuracy | ±1° |
| Alarm Function | Angle, Movement |
| Output Signal | NB-Iot, Lora (Can be customized) |
| Network Frequency | 868MHz |
| Stability | ±0.5%FS/Year |
| IP Rating | IP68 |
| Working Humidity | <90% |
| Relative Humidity | 0%-95% |
| Ambient Temperature | -4°F to 176°F (-20°C to -80°C) |