Wireless data collector, also known as portable data collector, handheld PDA or handheld terminal. It is a high-tech product that combines various functions such as data terminal, scanner and imager, and supports 1D barcode scanning, 2D code scanning, RFID radio frequency identification, ultra-high frequency UHF, NFC reading, DPM reading and other data collection methods. Mainly used in logistics and express delivery, manufacturing, public **** business, retail, agriculture and animal husbandry and other fields. Specific reference can be made to Dongda Integration. Below is a picture of: