1.Cellular:GPRS/3G/4G network for high speed data transmission.
2.Com port: Serial port,RS232 or RS485
3.Protocol: TCP/IP,UDP ect transparent protocol to send data
4.Wireless connection mode:1.APN 2.Public fixed IP 3.DDNS(public dynamic IP+DNS link) which flexible to choose any networking.
5.Real time communication between server and client
6.ARM Chipset and industrial grade components to endure high performance and stability.