When medicines, vaccines, blood samples, or other temperature-sensitive products are transported, knowing the temperature is only part of the problem. You also need to know where the shipment is and whether conditions changed during transit. A 4G GPS temperature data logger combines temperature monitoring with location tracking, making it easier to monitor sensitive shipments remotely. Why Temperature Monitoring During Transport Matters Temperature can change quickly during transportation because of: Without continuous monitoring, these temperature excursions may only be discovered after the shipment reaches its destination. What Does a 4G GPS Temperature Data Logger Do? A 4G GPS temperature data logger