VS121 LoRaWAN AI Powered Workplace Sensor

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VS121, based on Artificial Intelligence (AI) technology, is an AI workplace sensor designed to monitor occupancy & utilization in the modern workspace, which can reach up to 95% recognition rate. With the ability to sense from up to more than 78 m², few sensors are needed to cover the same area, decreasing the deployment costs for users. Only counter values are transmitted over the LoRaWAN® network, which can prevent privacy concerns. Based on standard LoRaWAN® protocol, VS121 can work with Milesight LoRaWAN® gateway and mainstream LoRaWAN® network servers. With easy installation, the VS121 sensor has great use in shops, malls, offices, exhibitions, etc. Milesight VS121 sensors are equipped with Wi-Fi for easy configuration without any configuration tools.


  • The recognition rate is up to 95% based on advanced AI identification and analysis technology and
    wide detection range
  • Support up to 12 mapped regions for detection
  • No image data is collected, free from privacy concerns
  • Equipped with Wi-Fi for web GUI configuration
  • Function well with standard LoRaWAN® gateways and network servers


  • Determine the number of people in specific areas
  • Flow detection in shops and malls
  • Occupancy detection in offices


  • Protocol: LoRaWAN®
  • Frequency: CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923
  • Tx Power: 16 dBm (868 MHz)/20 dBm (915 MHz)/19 dBm (470 MHz)
  • Sensitivity: -137 dBm @300bps
  • Mode: OTAA/ABP Class C

People Counting

  • Field of View: 190 ° Horizontal, 112 ° Vertical
  • Recognition Rang:e based on a radius of 5 meters (At the height of 3m)
  • Recognition Rate: >95%
  • Advanced Custom Setting: Up to 12 mapped regions for detection


  • Wi-Fi: IEEE 802.11 b/g/n, 2.4GHz, only support configuration
  • Button: 1 × Reset Button, 1 × Wi-Fi Button
  • LED Indicators: 1 × Wi-Fi
  • Power Input: 1 × Type-C

Physical Characteristics

  • Power Supply: 5V / 1.5A by Type-C Port
  • Operating Temperature: -5°C ~ +55°C
  • Storage Temperature: -20°C ~ +60°C
  • Relative Humidity: 0 ~ 95% (Non-condensing)
  • Colour: Black/White (Optional)
  • Dimensions: 85 × 85 × 20 mm (3.35 × 3.35 × 0.79 in)
  • Installation: Ceiling Mounting
We build to order