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The Milesight EM300-TH is a compact LoRaWAN® temperature and humidity sensor, designed for accurate and real-time environmental monitoring in indoor and semi-outdoor environments. With LoRaWAN® EU868 connectivity, IP67 waterproof enclosure, and long battery life, it’s ideal for smart buildings, warehouses, cold chain logistics, greenhouses, and data centers.
Powered by a built-in high-precision sensor, the EM300-TH transmits periodic data to LoRaWAN® networks, enabling remote temperature and humidity tracking for critical applications.
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💡 Key Features
📡 LoRaWAN® EU868 Connectivity – Long-range, low-power wireless data transmission
🌡️ High-Precision Temperature Sensor – Measures from -30°C to +70°C
💧 Humidity Monitoring – 0–100% RH with excellent accuracy and stability
🔋 Long Battery Life – Up to 10 years with replaceable battery 8000mAh
🌧️ IP67 Waterproof & Dustproof – Suitable for damp or dusty conditions
📊 Real-Time Monitoring – Periodic reporting and threshold alarms
📦 Compact & Easy to Deploy – Fits in tight spaces, mounts easily
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🛠 Applications
🏢 Smart Buildings & HVAC – Monitor climate in offices and shared spaces
📦 Warehouses & Cold Chain – Ensure temperature control for perishable goods
🌱 Greenhouses & Agriculture – Optimize growing environments
💻 Server Rooms & IT Racks – Protect sensitive equipment from heat and humidity
🏠 Indoor Air Quality Monitoring – Track environmental comfort levels
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📦 Package Includes
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1 × Milesight EM300-TH LoRaWAN® Temperature & Humidity Sensor
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1 × Mounting Kit
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1 × User Manual
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🎥 Product Video
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📥 Product Downloads
| Wireless Transmission | |
|---|---|
| Technology | LoRaWAN® |
| Frequency | EU868 |
| Tx Power | 16dBm (868 MHz) |
| Sensitivity | -137dBm @300bps |
| Work Mode | OTAA/ABP Class A |
| Temperature Measurement | |
| Range | -30°C to + 70°C |
| Accuracy | 0°C to + 70°C (±0.3°C) -30°C to 0°C (±0.6°C) |
| Resolution | 0.1°C |
| Humidity Measurement | |
| Range | 0% to 100% RH |
| Accuracy | 10% to 90% RH (±3%), below 10% and above 90% RH(±5%)%) |
| Resolution | 0.5% RH |
| Physical Characteristics | |
| Power Supply | ER18505 Li-SOCl2 4000 mAh battery (8000 mAh optional) |
| Battery Life | ≧ 10 years ( for 8000mAh battery ) |
| Ingress Protection | IP67 |
| Operating Temperature | -30°C to 70°C |
| Dimensions | 88 × 87 × 27 mm |
| Installation | Wall (screws or 3M adhesives) |