EM500-SMTC – LoRaWAN Soil Moisture and Conductivity Sensor – Milesight
 General Description
 The Milesight EM500-SMTC is an advanced LoRaWAN® sensor designed for monitoring soil conditions. It accurately measures soil moisture, temperature, and electrical conductivity, providing a complete solution for smart farming and environmental management. With its rugged IP68-rated probe and 10-year battery life powered by a 19,000 mAh battery, it's ideal for even the most demanding outdoor environments. The EM500-SMTC enables reliable remote monitoring via the Milesight IoT Cloud platform.
 Targeted Applications
-  Precision agriculture
 
-  Soil and irrigation monitoring
 
-  Environmental studies
 
-  Smart greenhouses
 
-  Soil quality research projects
 
 Highlights
 - Simultaneous measurement of soil moisture, temperature and conductivity
 
-  IP68 protection for ground sensor and IP67 for transmitter
 
-  Long-range transmission via LoRaWAN®
 
-  High precision with fine resolution for each parameter
 
-  Built-in 19000 mAh battery with up to 10 years of battery life
 
-  Easy setup via NFC or USB Type-C
 
-  Integration with standard LoRaWAN and IoT Cloud gateways
 
 Technical Specifications 
|  Transmission | 
|  Technology | 
 LoRaWAN® | 
|  Supported frequencies | 
 CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923 | 
|  Transmit power | 
 16 dBm (868 MHz), 20 dBm (915 MHz), 19 dBm (470 MHz) | 
|  Sensitivity | 
 -137 dBm @300bps | 
|  Fashion | 
 OTAA / ABP – Class A | 
|  Measures | 
|  Soil moisture | 
 Range: 0% to 100% RH  Accuracy: ±2% (0–50%), ±3% (50–100%)  Resolution: 0.0001 | 
|  Soil temperature | 
 Range: -40°C to +80°C  Accuracy: ±0.5 °C  Resolution: 0.1 °C | 
|  Electrical conductivity | 
 Range: 0 to 20000 µs/cm  Accuracy: ±3% (0–10000), ±5% (10000–20000)  Resolution: 10 µs/cm (0–10000), 50 µs/cm (10000–20000) | 
|  Interfaces and Connectors | 
|  Switching on/off | 
 NFC, internal button | 
|  Configuration | 
 Mobile app (NFC) or PC software via USB Type-C | 
|  Cable length | 
 2 m | 
|  Physical Characteristics | 
|  Food | 
 Li-SOCL2 battery 19000 mAh (ER34615) | 
|  Autonomy | 
 Up to 10 years (10 minute interval) | 
|  Operating temperature | 
 -30°C to +70°C | 
|  Relative humidity | 
 0% to 100% (non-condensing) | 
|  Protection index | 
 IP67 (transmitter) / IP68 (floor sensor) | 
|  Dimensions | 
 Transmitter: 105.4 × 71 × 69.5 mm  Sensor: 88 × 68 × 26 mm  (Probe: 50 mm) | 
|  Facility | 
 Wall, pole or DIN rail mounting | 
 Interfaces and Connectors
 The EM500-SMTC sensor comes with a 2m cable connecting the transmitter module to the soil probe. Simple setup via NFC or USB Type-C. Activation via internal button or contactless NFC.
 Pack Contents
-  1 × Milesight EM500-SMTC Ground Sensor
 
-  1 × Built-in battery
 
-  1 × Soil Moisture and Conductivity Probe
 
 - 1 × Wall/Pole/DIN Rail Mounting Kit
 
-  1 × Quick Installation Guide