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Yeastar Workplace Sensors- Technical Specifications

Yeastar Workplace solution supports three kinds of sensors: occupancy sensor, people counting sensor, and room comfort sensor.

People counting sensor

Model: Milesight1 VS121

Feature Specification
Detection Technology Artificial Intelligence (AI)
Range 6 m × 8 m = 48m² (At the height of 3m)
Detection Accuracy >95%
Anonymous Detection No personal identifiable information is used, collected or uploaded.
Data transmition Protocol LoRaWAN® v1.0.2/v1.0.3/v1.1
Frequency CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923
Tx Power 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
Sensitivity -137 dBm @300bps
Mode OTAA/ABP Class C
Power Power Input Type-C
Power Supply 5V / 1.5A by Type-C Port
Installation Ceiling Mounting
Dimension & weight Dimension 85 × 85 × 20 mm (3.35 × 3.35 × 0.79 in)
Weight 126.9g
Environmental conditions Operating Temperature -5°C ~ +55°C
Storage Temperature -20°C ~ +60°C
Relative Humidity 0 ~ 95% (Non-condensing)

Room comfort sensor

Model: Milesight1 AM307

Milesight AM 307 is a compact indoor environmental monitoring sensor for measurement of temperature, humidity, light, CO2 concentration, and TVOC.

The data will be shown on the E-ink screen in real-time, which helps you to measure the indoor environment and comfort for meeting rooms.

Feature Specification
Measurement Temperature Range -40°C - 85°C
Accuracy ± 1°C
Resolution 0.1°C
Humidity Range 0% - 100% RH
Accuracy ± 3%
Resolution 0.5% RH
Light Range 0-60000 Lux (Determine as 6 levels, 0-5)
TVOC Range 0-500 (IAQ Index)
Accuracy ±15%
Carbon Dioxide (CO2) Range 400 - 5000 ppm
Accuracy ± (30 ppm, 3% of reading)
Resolution 1 ppm
Display & Configuration Display 4.2-inch Black & White E-Ink Screen
Button 1 × Power Button + 1 × Reset Button
LED & Buzzer 1 × Traffic Light Status Indicator + 1 × Buzzer
Configuration Mobile App via NFC
Data transmition Protocol LoRaWAN®
Frequency CN470/RU864/IN865/EU868/US915/AU915/KR920/AS923
Tx Power 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
Sensitivity -137 dBm @300bps
Mode OTAA/ABP Class A
Power Power Supply 4 × 2700 mAh ER14505 Li-SOCl2 Chargeable Batteries
or Type-C Port
Battery Life Around 3 Years (10 min interval)
Installation On the flat surfaces with screws or 3M tapes
Dimension & weight Dimension 100.8 × 114 × 22 mm (3.97 × 4.49 × 0.87 in)
Environmental conditions Operating Temperature -20°C - 60°C (E-Ink Screen: 0°C - 40°C)
Relative Humidity 10% - 90% (non-condensing)

Occupancy Sensor

Model: Milesight1 WS202

Milesight WS202 is a LoRa PIR sensor based on passive infrared technology to detect a motion or occupancy. WS202 can be used to release the unoccupied desks to avoid desk resource waste.

Feature Specification
Measurement PIR Detection Area: 120 ° Horizontal, 100 ° Vertical
Detection Distance: Maximum 8 m
Light Status: Bright/Dark (Determine 1-60000 lux as Bright or Dark according to custom threshold)
Software Configuration NFC
Advanced Feature LoRa D2D Controller
Wireless Transmission Technology LoRaWAN ®, LoRa D2D
Frequency CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923
Tx Power 16 dBm (868 MHz)/22 dBm (915 MHz)/19 dBm (470 MHz)
Sensitivity -137 dBm @300bps
Mode OTAA/ABP Class A
Physical Characteristics Power Supply 1 × 1650 mAh ER14335 Li-SOCl2 Battery
Battery Life Around 4 years (30 min interval + 30 triggers per day)
Operating Temperature -20°C to +60°C
Relative Humidity ≤90% (non-condensing)
Ingress Protection IP30
Dimension 50 × 50 × 23.8 mm (1.97 × 1.97 × 0.94 in)
Material Anti-flaming Polycarbonate
Color White
Installation On flat surfaces with screws or 3M tapes
Approvals Regulatory CE, FCC, RoHS

  1. Yeastar officially expanded its footprint from communications to AIoT and video surveillance industries through the merger with Ursalink and Milesight in December 2020. The combination aims to create an unparalleled product portfolio and empower the next-generation smart solutions with the value of AIoT. 


Last update: October 21, 2022
Created: December 16, 2021

Author: carol