GPRS是通用分组无线业务（General Packet Radio Service）的英文简称，是在现有的GSM系统上发展出来的一种新的分组数据承载业务。GPRS与现有的GSM语音系统最根本的区别是，GSM是一种电路交换系统，而GPRS是一种分组交换系统。因此，GPRS特别适用于间断的、突发性的或频繁的、少量的数据传输，也适用于偶尔的大数据量传输。这一特点正适合大多数移动互联的应用。 -GPRS is General Packet Radio Service (General Packet Radio Service) English abbreviation, in the existing GSM system is developed on a new Packet data load business. GPRS and existing GSM phonetic system is the most fundamental difference, GSM is a kind of circuit switching systems, and GPRS is a packet switching system. Therefore, GPRS is especially suitable for the uninterrupted, sudden or frequent, a small amount of data