User Guide

Introduction to the PinPoint X
Rev 3.0B Feb.08 10
EDGE
EDGE(EnhancedDataratesforGSMEvolution)providesend‐
to‐endpacketdataserviceswithanenhancedconnectivity
buildingonGPRStechnologyandusingtheestablishedGSM
networks.EDGEprovideshighertransmissionratesandbetter
transmissionqualityfordatathanGPRS.EDGEcancarrydata
atspeedstypicallyupto 384
kbit/sinpacketmode.
GPRS
GeneralPacketRadioService(GPRS)ispacket‐switchedwith
manyuserssharingthesametransmissionchannel,butonly
transmittingwhentheyhavedatatosend.Thismeansthatthe
totalavailablebandwidthcanbeimmediatelydedicatedto
thoseuserswhoareactuallysendingatanygivenmoment,
providinghigherutilizationwhere
usersonlysendorreceive
dataintermittently.GPRSprovidesspeedsof30–70kbpswith
burstsupto170 kbps.