Nexelec LTE 4G Cellular Connectivity ESP32 the WS301 operates for nearly

the WS301 operates for nearly 2 years without battery replacement

Flexible integration with various IoT cloud platforms

Instead of changing physical DIP switches to change boot modes

NDIR CO2 sensor requires a minimum ambient CO2 level of about 400 ppm for several consecutive hours to maintain automatic recalibration accuracy

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Nexelec LTE 4G Cellular Connectivity ESP32 the WS301 operates for nearlyThe Nexelec CELLULAR (P061) is a 4G LTE communication option for the TRACK+ and TRACK+ RAIL outdoor air quality measurement stations. It adds cellular connectivity and five years of NAVIXIS cloud platform access, enabling remote data retrieval and station management without a local network connection. P061 ships pre configured with a Nexelec multi operator SIM card, providing coverage in over 150 countries. Data is automatically transmitted to the