GPRS

General Packet Radio Service is a packet-
switching technology that enables data transfers
through cellular networks. It is used for mobile
internet, MMS and other data communications. In
theory the speed limit of GPRS is 115 kbps, but in
most networks it is around 35 kbps. Informally,
GPRS is also called 2.5G.

General Packet Radio
Services (GPRS) is a packet-based wireless communication service that promises data rates from 56 up to 114 Kbps and continuous connection to the Internet for mobile phone and computer users. The higher data rates allow users to take part in video conferences and interact with multimedia Web sites and similar applications using mobile handheld devices as well as notebook computers.
GPRS is based on Global System for Mobile ( GSM ) communication and
complements existing services such circuit-switched cellular phone
connections and the Short Message
Service ( SMS ).