What is gprr billing?

GPRR is a specific rate ($.01/KB) for GPRS data services provided by AT&T Wireless for Internet access and data transfer. GPRS or General Packet Radio Service (GPRS) is a packet oriented Mobile Data Service available to users of Global System for Mobile Communications (GSM) and IS-136 mobile phones. It provides data rates from 56 up to 114 kbit/s.