SKJ-1-223SZC portable mobile data terminal integrates RFID read-write, wireless communication and other functions, and can support two communication modules and two read-write modules at the same time. The machine can be embedded at the same time consumer software modules and attendance software modules. It can meet the daily use under a variety of environments; its rugged structure conforms to the shell of IP64 industrial grade sealing standard. It can support GPRS / WIFI / BlueTooth and other communication transmission modes.