VS121 & VS121-P AI Workplace Occupancy Sensors – Smart People Counting with Privacy-First Intelligence The Milesight VS121 and VS121-P are advanced AI-powered workplace sensors designed for accurate people counting, occupancy...
VS121 & VS121-P AI Workplace Occupancy Sensors – Smart People Counting with Privacy-First Intelligence
The Milesight VS121 and VS121-P are advanced AI-powered workplace sensors designed for accurate people counting, occupancy tracking, and space utilization analysis. Built with an intelligent algorithm achieving up to 98% recognition accuracy, these sensors offer real-time insights across modern offices, retail environments, airports, and public facilities. The VS121 supports lorawan® connectivity, while the VS121-P offers PoE-powered Ethernet transmission and additional industrial interfaces for flexible deployments.
Key Features
AI-powered detection with up to 98% recognition rate
Supports region mapping, dwell time detection, and bidirectional line-crossing counting
Smart U-turn filtering and multi-direction people flow analysis
No image storage – GDPR compliant, privacy-focused design
Supports up to 16 mapped regions and 8 privacy masks
Local data storage and retransmission supported
Compact ceiling-mounted form factor with wide field-of-view
lorawan® Version (VS121) Features
lorawan® and Milesight D2D protocol supported
Up to 3000 retransmission packets stored locally
Wi-Fi-based GUI for configuration
Easy cloud integration via Milesight IoT Cloud
PoE Version (VS121-P) Features
Supports HTTP/MQTT push and API integration via Ethernet
Remote management via Milesight DeviceHub or Development Platform
Industrial interfaces: DI/DO and RS485 (future support)
DC or 802.3af PoE power options
Technical Specifications
Model
VS121 (lorawan®)
VS121-P (PoE)
Field of View
Standard: 190°H / 112°V | High Ceiling: 129.4°H / 68.4°V
Installation Height
2.5–4m
5–7m
People Counting Accuracy
Up to 98% (Flow Analysis)
Detection Features
16 regional zones, dwell time, U-turn filtering, bi-directional counting
Connectivity
lorawan®, Wi-Fi
Ethernet (HTTP/MQTT), DI/DO, RS485
Data Storage
3000 packets
3 × 1000 packets
Power Supply
5V/1.5A (USB-C)
5V/2A (DC) or 802.3af PoE
Power Consumption
3.5W
3.5W (DC), 4.5W (PoE)
Ingress Protection
IP30
Dimensions
85 × 85 × 20 mm
85 × 85 × 30 mm
Operating Temp
-5°C to +55°C
Certifications
CE, FCC, GDPR, RoHS
Recommended Mounting Heights & Detection Ranges
Height (m)
Detection Area (m²)
2.5
3.2 × 9.8
3.0
4.8 × 14.0
4.0
6.8 × 18.8
6.0 (High Ceiling)
4.5 × 12.0
7.0 (High Ceiling)
5.5 × 14.0
Ideal Applications
Smart Office and Meeting Room Utilization
Retail Analytics and People Flow Optimization
Airport and Transportation Hub Occupancy
Public Infrastructure and Campus Footfall Analysis
Privacy-Safe Intelligence. Real-Time Space Insights.
With best-in-class AI detection, zero image storage, and versatile connectivity, the VS121 series delivers actionable occupancy data while ensuring full privacy compliance. Ideal for smart building transformations across the MEA region, supported by TerraQ Technologies.
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