What is a RF handheld terminal, how to use it and where to use it?

Radio frequency handheld terminal refers to a portable data acquisition terminal that uses radio frequency identification (RFID) to complete data acquisition and transmission functions. Its characteristics are firm and durable, and it can be used in many places with harsh environment. Radio frequency mobile phones are mainly used in retail, logistics and warehousing, quality traceability, manufacturing, animal husbandry and other fields.