1. Barcode Scanning Handheld
Scanning one-dimensional barcode or two-dimensional code through the PDA, which is one of the most common data collection methods in daily life. For example, in shopping malls and supermarkets, employees use PDAs to scan commodity barcodes to check inventory, take stock, and so on. In addition, barcode scanning PDAs are also used in logistics, express delivery, medical and other fields.
2. RFID (Radio Frequency Identification) handheld
RFID technology, electronic tags, proximity cards, contactless cards, etc. are a kind of RFID. Handheld according to the radio frequency band can be divided into low-frequency, high-frequency, ultra-high frequency, etc., with RFID functionality of the handheld is widely used in food safety traceability, warehouse management, card management and other fields.
3. Fingerprint recognition handheld
Handhelds with fingerprint capture are often used in security inspections, mobile law enforcement and other links. Through the 4G or WIFI communication mode and the background personnel information base for networking identity verification, comparison results returned to the terminal for verification results confirmation.
In addition to the three handhelds listed above, there are NFC reading, DPM code reading and other data collection functions handheld, the user should be based on their own project needs, application areas to choose the right handheld.