Skip to main content
Milesight WS203 LoRaWAN Motion & Temperature-Humidity Sensor — product photo 1 of 31 / 3

WS203 LoRaWAN Motion & Temperature-Humidity Sensor

The Milesight WS203 is a LoRaWAN motion, temperature, and humidity sensor for smart buildings and industrial applications. Multi-function environmental monitoring with energy-saving capabilities.

Communication Protocol
LoRaWAN, Milesight D2D
Battery Type
4000 mAh ER18505 Li-SOCL2
Motion Detection Range
6 meters
Temperature Range
-20°C to +60°C

Price on quote

We send a written quote within 24 hours, based on quantity and project scope.

  • On Order
  • Installation & technical support
  • Genuine product, invoiced
Datasheet (PDF)

About WS203 LoRaWAN Motion & Temperature-Humidity Sensor

The Milesight WS203 is an advanced LoRaWAN motion, temperature, and humidity sensor designed for smart buildings, hospitals, offices, and agricultural applications. It delivers real-time environmental data and integrates with HVAC systems to reduce energy consumption. Request a quote for price and lead time; we reply in writing within 24 hours.

Key features

  • Sensitive motion detection: Passive infrared (PIR) technology detects motion up to 6 meters, 120° horizontal and 100° vertical coverage
  • Adjustable detection angles: PIR cover options adapt to various environments
  • High-precision temperature and humidity sensor: -20°C to +60°C range with ±0.2°C accuracy; 0–100% RH with ±2% RH accuracy
  • Data storage and retransmission: 1000-record capacity prevents data loss during connection failures
  • Milesight D2D communication: LoRa-based device-to-device messaging with sub-1-second response time
  • Ultra-low power consumption: 4000 mAh ER18505 Li-SOCL2 battery delivers ~5 years of operation
  • LoRaWAN compliance: Fully compatible with standard LoRaWAN gateways and network servers
  • NFC configuration: Simple setup and parameter adjustment

Benefits

  • Single device for motion, temperature, and humidity monitoring
  • HVAC integration enables significant energy savings
  • Extended transmission range (2 km urban, 15 km rural)
  • Reliable data integrity and secure transmission
  • Low battery consumption reduces maintenance costs

Use cases

  • Smart hospitals: Patient room and common area comfort and hygiene control
  • Smart offices: Occupancy-based climate control and energy management
  • Smart farming: Greenhouse and storage environment monitoring
  • Industrial facilities: Production area environmental conditions and safety monitoring

Technical notes

  • Temperature: -20°C to +60°C, ±0.2°C accuracy, 0.1°C resolution
  • Humidity: 0–100% RH, ±2% RH accuracy, 0.5% RH resolution
  • Motion detection: PIR sensor, 6 m range, 120° × 100° coverage
  • Battery: 4000 mAh ER18505 Li-SOCL2, ~5 years lifetime
  • Storage: 1000 timestamped records
  • Communication: LoRaWAN, Milesight D2D (LoRa)
  • Setup: NFC configuration support

WS203 LoRaWAN Motion & Temperature-Humidity Sensor specifications

WS203 LoRaWAN Motion & Temperature-Humidity Sensor technical specifications
Motion Detection Range6 meters
Motion Detection Angle120° horizontal, 100° vertical
Temperature Range-20°C to +60°C
Temperature Accuracy±0.2°C
Temperature Resolution0.1°C
Humidity Range0–100% RH
Humidity Accuracy±2% RH
Humidity Resolution0.5% RH
Data Storage Capacity1000 records
Battery Type4000 mAh ER18505 Li-SOCL2
Battery Life~5 years
Communication ProtocolLoRaWAN, Milesight D2D
Transmission Range2 km urban, 15 km rural
D2D Response Time<1 second
ConfigurationNFC support

Documents & support

WS203 LoRaWAN Motion & Temperature-Humidity Sensor — frequently asked questions

Is WS203 LoRaWAN Motion & Temperature-Humidity Sensor in stock?

WS203 LoRaWAN Motion & Temperature-Humidity Sensor is available on order. Submit a quote request and we will provide delivery details within 24 hours.

How do I buy WS203 LoRaWAN Motion & Temperature-Humidity Sensor in Turkey?

Add WS203 LoRaWAN Motion & Temperature-Humidity Sensor to your cart on IoTMarketi and submit a quote request with your contact details. Our team replies with tailored pricing and delivery within 24 hours.

What is the battery life of WS203 LoRaWAN Motion & Temperature-Humidity Sensor?

Per the manufacturer: Battery Type: 4000 mAh ER18505 Li-SOCL2. Real-world life depends on the reporting interval and ambient temperature.

What is the wireless range of WS203 LoRaWAN Motion & Temperature-Humidity Sensor?

Transmission Range: 2 km urban, 15 km rural. Range in buildings is shorter than in open line of sight; a site survey confirms gateway placement.

Related products