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UbiBot WS4-A1RS

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UbiBot WS4 product photo
UbiBot

WS4-A1RS

UbiBot WS4-A1RS

TemperatureHumidityLightVibration

The UbiBot WS4-A1RS is a compact Wi-Fi sensor that measures temperature, humidity, light and vibration for cold-chain and warehouse monitoring. It connects over dual-band Wi-Fi (2.4 GHz & 5 GHz, no 4G), accepts RS485 external sensors, and stores 300,000 records when the network is unavailable. It has no satellite positioning; the WS4-A4G1RS connects over 4G instead.

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Key Features

  • Built-in temperature (±0.2°C), humidity (±2% RH), light and vibration (±4 g) sensors
  • Dual-band Wi-Fi 2.4 GHz & 5 GHz connectivity (this model has no 4G)
  • RS485 port for external sensors, including PT100, soil, wind speed, CO2 and atmospheric pressure
  • 300,000-record memory uploads stored data automatically when the network returns
  • Samples and uploads more often when a threshold is triggered
  • Flight mode suspends all wireless connections for air transport
  • IP65 housing with a drainage structure for wet environments
  • Magnetic or wall/screw mounting

Ports & Interfaces

RS-485
×1
Input
USB
×1
Bidirectional
Wi-Fi
×1
Output

Connectivity

WiFi

Physical Specifications

Dimensions70 × 125 × 25 mmIP RatingIP65

Model Variants

ModelConnectivity4G LTEGNSSRS485CO2 SensorAccelerometer
WS4-A
WiFi Only
WiFi (2.4G & 5G)NoNoNoNoNo
WS4-A4G
4G
4G LTEYesNoNoNoNo
WS4-A1RS
WiFi + RS485
WiFi (2.4G & 5G)NoNoYesNoYes
WS4-A4G1RS
4G + RS485
4G LTEYesNoYesNoYes
WS4-P4G1RS
4G + GNSS + RS485
4G LTEYesYesYesNoYes
WS4-A1RS1C
WiFi + RS485 + CO2
WiFi (2.4G & 5G)NoNoYesYes (400-2500 ppm)Yes
WS4-A4G1RS1C
4G + RS485 + CO2
4G LTEYesNoYesYes (400-2500 ppm)Yes
WS4-P4G1RS1C
4G + GNSS + RS485 + CO2
4G LTEYesYesYesYes (400-2500 ppm)Yes

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