Handheld terminal, also known as handheld terminal, PDA, etc., East set of handheld terminal data collected need to interact with the computer system for information, so the handheld terminal not only need to data collection function, but also need data communication function.
1. Hardware components: handheld terminal with input and output functions, the body consists of a screen and buttons, and is equipped with a high-capacity battery.
2. Operating system: the operating system of the handheld terminal generally have Windows. Android, both of which are relatively common operating systems.
3. Data acquisition function: there are many kinds of data acquisition function of handheld terminal, such as barcode scanning, RFID reading and writing, fingerprint acquisition, NFC identification. RFID reading and writing. Fingerprint acquisition. Image acquisition. DPM code reading, etc., the acquisition function is different, the composition module is different.
4. Data communication: support for WIFI, WWAN, according to the site environment to switch the Bluetooth and other data transmission functions, to meet the application requirements of different scenarios.