EM500-SMT User Guide
5
1. Overview
1.1 Description
EM500-SMT is an outdoor environment monitoring sensor mainly used to measure soil status.
EM500-SMT device is battery powered and designed for multiple mounting ways. It is equipped
with NFC (Near Field Communication) and can easily be configured by a smartphone or a PC
software.
Sensor data are transmitted in real-time using standard LoRaWAN protocol. LoRaWAN enables
encrypted radio transmissions over long distance while consuming very little power.
The user can obtain sensor data and view the trend of data change through Ursalink Cloud or thr
ough the user's own Network Server.
1.2 Features
Suitable for multiple agricultural applications
Up to 11km communication range
Easy configuration via NFC
Standard LoRaWAN support
Ursalink Cloud compliant
Low power consumption with 19000mAh replaceable battery
1.3 Specifications
LoRaWAN
Frequency
EU433/CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923
Tx Power
20dBm
Sensitivity
-147dBm @300bps
Mode
OTAA/ABP Class A
Antenna
Embedded Ceramic Antenna
Measurement
Moisture
Range
0-100%
Accuracy
± 2%
Physical Characteristics
Probe Length
3m
Power Supply
19000 mAh Li-SoCl
2
battery
Battery Life
5.5 year (10 min interval, SF12)
