Ambient light sensor

The ambient light sensor utilizes LoraWAN connectivity to provide measurements of ambient light intensity which matches the human eye’s response to light under a variety of lighting conditions.


Download our free business value calculator to determine the potential benefits of your project


Device partner

Product description

The TABS Light sensor allows for remote monitoring of Ambient Light. It is easy to install and fully integrated with the Withthegrid online application for remote monitoring and controlling the device.


  • Easy installation
  • LoRaWAN 1.0.3
  • Optical sensor LTR-F216A
  • 16 to 20 bits measurement resolution
  • Wide dynamic range (0.01 to 39K lux) with linear response
  • 0 to 50°C operation temperature range
  • Data is visualized via the Withthegrid online application
  • Fully integrated with the Withthegrid application for sending commands and changing parameters


Software functionality

The online Withthegrid application is designed to give the user a complete overview of asset performance. You can view historic performance, set thresholds and alarms and enrich the overview with manual measurements from the field. 


Deep integration with this temperature and humidity sensor allows you to: 

  • Automatically detect anomalies 
  • Have a real-time status of your Ambient Light Intensity
  • Monitor follow-up actions for your personnel 

Device specification

Frequency 868MHz & 915MHz
RF TX power US: +19dBm

EU: +17dBm

Antenna Gain -2dBi Peak, -5dBi Avg
RF Sensitivity -135dBm
Battery Type 3.6V 1/2 AA Li SOCI2, 1200mAh
Battery Lifetime Up to 16 months
Average current 135mA maximum / 100uA minimum
Protocol LoRaWAN 1.0.3
Operation Temperature 0 to 50 C
Environment Rating IP40 equivalent
Dimensions 50mm x 20mm x 50mm
Weight 30g without battery

40g with battery

Sensor Wide dynamic range (0.01 to 39K lux)
Type Approval CE/FCC/IC