VS351 – LoRaWAN® Radar & Thermopile People Counter Sensor – Milesight | DistrIoT
Milesight
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VS351 – LoRaWAN® Radar & Thermopile People Counter Sensor – Milesight

Compteur de personnes LoRaWAN® VS351 de Milesight, radar + thermopile, jusqu’à 95% de précision, installation au plafond, données D2D.
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Description détaillée

LoRaWAN® VS351 Radar & Thermopile People Counter Sensor – Milesight

General Description

Milesight 's VS351 sensor is a smart people counter based on radar technology (for battery-powered version) combined with a thermopile sensor. Designed for ceiling or lintel installation, it accurately detects bi-directional passages, filters U-turns, and distinguishes between side-by-side passages. It communicates via LoRaWAN® or D2D and offers power options via USB Type-C or batteries (depending on the version).

Targeted Applications

  • Flow analysis in shops, offices or public buildings
  • Real-time occupancy and access management
  • Energy optimization by occupancy detection
  • Anonymous counting with respect for privacy

Highlights

  • Hybrid technology: radar (battery version) + thermopile
  • Accuracy rate up to 95% (up to 99% for a single individual)
  • U-turn filtering, bidirectional counting, side-by-side differentiation
  • Easy installation on ceiling or lintel
  • LoRaWAN® and Milesight D2D compatible
  • Local storage, data retransmission, 1.6 year battery life (battery version)

Technical Specifications

Measures
Technology Radar (battery version) + Thermopile
Installation height 2.5 m to 3.0 m
Detection zone 5.55 m × 2.30 m @ 3 m
Adjustable sensor angle 0° to 90°
Precision Up to 95% (99% for single person)
Optimal operating temperature 15°C to 30°C
Measured temperature -30°C to +70°C, accuracy ±2°C
Transmission
Protocols LoRaWAN®, Milesight D2D
Supported frequencies CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923-1/2/3/4
Transmit power 16 dBm (868 MHz), 20 dBm (470 MHz), 22 dBm (915 MHz)
Sensitivity -137 dBm
Fashion OTAA / ABP – Class A
Operation & Configuration
Button 1 Reset button (internal)
Configuration Via NFC mobile application
Advanced functions Storage, forwarding, retrieval, D2D Controller
Physical Characteristics
Food Type-C: 5V/1A | Battery: 4 × ER26500 (9000 mAh)
Battery life ≈ 1.6 years (30 min interval, 1000 people/day)
Operating temperature -20°C to +60°C
Relative humidity 0% to 95% (non-condensing)
Protection index IP30
Dimensions Type-C: 70 × 68 × 32 mm
Battery: 188 × 68 × 32 mm
Material / Color PC (flame retardant), white
Facility Ceiling or lintel mounting

Interfaces and Connectors

The VS351 sensor can be configured via NFC and powered by USB Type-C or replaceable batteries depending on the version. It transmits data via LoRaWAN® or D2D.

Pack Contents

  • 1 × Milesight VS351 Sensor
  • 4 × ER26500 Batteries (Battery version only)
  • 1 × Ceiling/lintel fixing kit
  • 1 × Quick Start Guide