PDA handheld terminal, also known as barcode data collector, PDA cell phone and so on, is the barcode scanning device and data terminal integration equipment, with real-time collection, automatic storage, instant display, instant feedback, automatic processing, automatic transmission and other functions, support for one-dimensional barcode / two-dimensional code scanning, RFID radio frequency identification, ultra-high-frequency UHF, NFC literacy, DPM literacy data collection methods. IP67 high industrial protection level, widely used in logistics, transportation, manufacturing, retail, medical, agriculture and other fields. With IP67 high industrial protection level, it is widely used in logistics, transportation, manufacturing, retail, medical, agriculture and animal husbandry. Here is a picture attached as a reference: