Design of GPRS Data Terminal Based on ATmega16

GPRS data terminal interface and functions are increscent.It maintains high costs,which can slow the speed of its popularization.A GPRS data terminal based on ATmega16 and Motorola G20 module,as well as its hardware and software interface are introduced.Methods for GPRS network connection and data transmission are presented.According to the testing data,the local maintaining time of GPRS data transmission link is 60 seconds.This design could be used in the area of various fields of GPRS application.