Milesight EM500-SMT LoRaWAN® Soil Moisture Sensor (EU868)

Milesight EM500-SMT LoRaWAN® Soil Moisture Sensor (EU868)

• High precision for multiple kinds of soil
• Corrosion resistance and tough probe
• Ultra-wide-distance transmission up to line of sight of 10km
• IP67 waterproof enclosure for harsh environment applications
• Built-in 19000 mAh replaceable battery and work for 10 years without replacement
• Equipped with NFC for easy configuration
• Compliant with standard LoRaWAN® gateways and network servers
• Quick and easy management with Milesight IoT Cloud solution

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Product Description

The Milesight EM500-SMT is a state-of-the-art soil moisture sensor, expertly designed to operate in harsh environments. Utilizing LoRaWAN® technology, it provides efficient and reliable transmission of soil moisture data. With a robust design and a battery life of up to 10 years, thanks to its 19000 mAh battery, the EM500-SMT is a perfect tool for long-term agricultural and horticultural applications. It is widely employed in smart agriculture, smart horticulture, greenhouse control, irrigation control, and golf course maintenance.

This sensor offers high precision across multiple types of soil, making it versatile for various outdoor applications. It is equipped with NFC for easy configuration, ensuring a user-friendly experience. Moreover, its IP67 waterproof enclosure makes it ideal for use in demanding environmental conditions. The EM500-SMT's compatibility with standard LoRaWAN® gateways and network servers allows for seamless integration into existing systems. Additionally, the Milesight IoT Cloud solution provides quick and easy management of sensor data.

Product Features

  • High Precision Measurement: Offers accurate soil moisture readings for multiple soil types.
  • Ultra-Wide-Distance Transmission: Capable of transmitting data up to a line of sight of 10km.
  • IP67 Waterproof Enclosure: Suitable for harsh environmental conditions and outdoor applications.
  • Long Battery Life: Equipped with a built-in 19000mAh replaceable battery, lasting up to 10 years without replacement.
  • NFC for Easy Configuration: Simplifies the setup and ongoing management.
  • LoRaWAN® Compliance: Ensures compatibility with standard LoRaWAN® gateways and network servers.
  • Milesight IoT Cloud Solution: Allows for remote and visual management of sensor data.
  • Applications: Ideal for irrigation control, greenhouse control, smart agriculture, smart horticulture, and golf course maintenance.

The EM500-SMT is a vital tool for anyone needing reliable, long-term soil moisture monitoring, especially in challenging outdoor environments. Its combination of advanced technology, durability, and ease of use makes it an excellent choice for a wide range of applications.

Product Downloads


Wireless Transmission
Technology LoRaWAN®
Frequency CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923
Tx Power 16dBm(868)/20dBm(915)/19dBm(470)
Sensitivity -137dBm @300bps
Mode OTAA/ABP Class A
Range 0% to 100% RH
Accuracy ±2%
Resolution 0.01%
Power On & Off NFC, Power Button (Internal)
Configuration Mobile App (via NFC) or PC Software(via USB Type-C)
Physical Characteristics
Cable Length 5 m
Power Supply 19000 mAh Li-SOCL2 battery (ER34615)
Battery Life* 10 years (10 min interval)
Operating Temperature -30°C to +60°C
Relative Humidity 0% to 100% (non-condensing)
Ingress Protection IP67
Transceiver 105.4 × 71 × 69.5 mm (4.1 × 2.8 × 2.7 in)
Soil Sensor 89 × 18 × 7 mm (3.5 × 0.7 × 0.3 in) (Probe length: 50mm/1.97 in)
Installation Pole, wall or DIN Rail Mounting
Regulatory CE, FCC, RoHS

Shipping Policy

We provide worldwide shipping using reliable tracked
shipping services.

Local Shipments within Cyprus

Shipments in Cyprus are performed usually with ACS Courrier
or AKIS Express. In some cases, we might deliver the products ourselves. A pick-up
option from our locations is also available.

International Shipments

International shipments are performed using Express Airway
Shipping Services. We are currently shipping orders with TNT Express and FedEX.
As soon as your shipment is dispatched you will receive the shipment confirmation
including the shipment tracking number which you can use to track your order
from the shipment provider website.

We dispatch orders within 1-3 workdays after the day of the
order placement. 

General Return Policy

We have a 30-day return policy, which means you have 30 days
after receiving your item to request a return.

To be eligible for a return, your item must be in the same
condition that you received it, unworn or unused, with tags, and in its
original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at If
your return is accepted, we’ll send you a return shipping label, as well as
instructions on how and where to send your package. Items sent back to us
without first requesting a return will not be accepted.

For any further information, help and support regarding the
shipping and/or return process you can contact us at:

  • Email:
  • Telephone: +357 22 282828