GPT29 Cold Chain: https://www.eelinktech.com/gpt29-cold-chain-white-paper/

The GPT29 is a shipment-level cold chain monitoring tracker designed for high-value, temperature-sensitive cargo. It provides real-time location, temperature, and humidity visibility for each shipment. 

Key benefits: 

Reliable single-shipment visibility 

Easy cloud integration and historical record access 

Optional ultra-low temperature PT1000 probe support 

Best-fit for pharmaceutical shipments, last-mile cold chain logistics, and 3PL/4PL operations requiring precise temperature monitoring.