The Mobile Reefer Data Acquisition Terminal HD-RF6211 enables the product to cover all links of the cold chain transportation of reefe container, and complements the fixed acquisition terminal to meet the needs of IoT data collection, supports 2G/NBIOT/LORA and other wireless transmission modes, supports internal battery and external power supply, long use time, 3A fast charging. Supports GPS positioning, IP67 dustproof and waterproof grade, -20℃-70℃ wide temperature working environment.