In Stock

Temperature&Humidity Sensor

Model: EM300-TH

EM300-TH is a compact environment monitoring sensor for measurement of temperature and humidity and transmitting data using LoRaWAN® technology. In addition to LoRaWAN® technology with low power consumption, it has a built-in high-capacity battery available for several years without replacement. Combining with LoRaWAN® gateway and Development Platform solution, users can manage all sensor data remotely. EM300-TH is widely used for both indoor and outdoor applications such as offices, hospitals, factories, greenhouses, etc.

Key Highlights

Embedded with Sensirion high-precision sensor chip
Ultra-wide-distance transmission up to line of sight of 10km
IP67 UV-resistant and waterproof enclosure for harsh environment applications
Built-in 4000 mAh replaceable battery and works for several years without replacement

Contact Sales

Warranty3 Years Standard

Lead Time2-4 Weeks

CertificationFCC, CE, RoHS

Product Overview

The EM300-TH is a highly durable LoRaWAN® temperature and humidity sensor engineered for precise monitoring in both indoor and outdoor environments.It features an IP67-rated, UV-resistant, and flame-retardant enclosure that allows it to operate reliably under harsh industrial conditions.

The device utilizes LoRaWAN technology to achieve long-range communication, reaching up to 2 kilometers in urban areas and 15 kilometers in rural environments with deep signal penetration through structures.It is designed for ultra-low power consumption, providing an exceptional battery life of up to 10 years using a standard 4000 mAh battery.To prevent data loss during network disruptions, the sensor includes built-in memory that stores up to 2,800 historical records and supports data retransmission once connectivity is restored.

Key Features & Capabilities

Enterprise-grade technology designed for mission-critical operations

High-precision sensing

Embedded with Sensirion high-precision temperature and humidity sensor

Long-range LoRaWAN® communication

Ultra-wide-distance wireless transmission up to 10 km line of sight

IP67 rugged enclosure

UV-resistant and waterproof design for harsh indoor and outdoor environments

Multi-year battery life

Built-in 4000 mAh replaceable battery delivers years of maintenance-free operation

Reliable data protection

Local data storage and retransmission support help prevent data loss

Technical Specifications

Key technical details and performance specifications

Specification	Details
Wireless Transmission Technology	LoRaWAN® D2D
Antenna	Internal Antenna
Frequency	CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
Tx Power	16dBm (868 MHz) / 20dBm (915 MHz) / 19dBm (470 MHz)
Sensitivity	-137dBm @300bps
Mode	OTAA/ABP Class A
Temperature Range	-30°C to + 70°C
Temperature Accuracy	±0.6°C (-30°C ~ 0°C) ±0.3°C (0°C ~ 70°C)
Temperature Resolution	0.1°C
Humidity Range	0% to 100% RH
Humidity Accuracy	±3% (10% ~ 90% RH @25°C) ±5% (0% ~ 10% RH @25°C, 90% ~ 100% RH @25°C )
Humidity Resolution	0.5% RH
LED	1 x LED Indicator (Internal)
Button	1 x Power/Reset Button (Internal)
Power On & Off	NFC, Power Button (Internal)
Configuration	NFC via Mobile App, Downlink
Advanced Features	Threshold Alarm, D2D Controller, Data Storage (2,800 entries), Data Retransmission, Data Retrievability
Power Supply	1 x 4000 mAh ER18505 Li-SOCL2 Battery (8000 mAh Version Optional)
Battery Life	Over 10 Years (SF7, EU868 & US915, 10 min interval, 25°C); Around 5.8 Years (SF10, EU868); Around 4.2 Years (SF10, US915)
Operating Temperature	-30°C to +70°C
Relative Humidity	0% to 100% (non-condensing)
Ingress Protection	IP67
Housing & Color	ABS + PC (Flame Retardant), White
Weight	95.6g (with 1 battery)
Dimensions	88.5 × 85.3 × 27 mm (3.48 × 3.36 × 1.06 in)
Installation	Wall Screw Mounting, 3M Tape Mounting, Cable-Tie Mounting
Regulatory Approvals	CE, FCC, ISED, RCM, Telec, ICASA, EN12830
Environmental Compliance	RoHS