|New mobile station is needed for accessing GPRS services. They are backward compatible with GSM for voice calls
|Base Transceiver Station
|Software upgrade is needed in the existing BTS
|Base Station Controller
|Software upgrade and new hardware, Packet Control Unit are needed for GPRS.
|GPRS Support Nodes
|Installation of new core network elements, known as serving GPRS support node, and gateway GPRS support node are needed to deploy GPRS
|Requires software upgrade to handle new models and functions to handle databases involved in the network