There are many industrial PDAs, and the key is how to choose the right one. You can refer to the following principles:

1. Project demand and budget: selected according to application field, scope of use and budget;

2. Screen display effect: higher resolution can better support the software running and protect the operator's vision;

3, power supply configuration: battery consumption, the smaller the better;

4. Operating system: Android can be redeveloped, and Windows runs stably, each with its own advantages;

5. Scanning head: Select one-dimensional code or two-dimensional code according to the project requirements;

6.RFID function: according to the specific needs of the project, it is necessary to consider the card reading distance and signal strength;

7. Protection level: Only a higher protection level can guarantee the operation in harsh industrial environment; For example, the pda of Dongji reaches IP67 industrial grade, which is waterproof, dustproof and fall-proof;

8. Price: Different handheld terminals have different configurations and functions, and the price will vary greatly. Therefore, we should pay attention to choose according to specific needs, and don't have many useless functions.