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1. What is a Radio Network Controller?
A Radio Network Controller (RNC) provides the interface between the wireless devices communicating
through Node B transceivers and the network edge. This includes controlling and managing the radio
transceivers in the Node B equipment, as well as management tasks like soft handoff. The RNC performs
tasks in a 3G wireless network analogous to those of the Base Station Controller (BSC) in a 2G or 2.5G
network. It interfaces with GPRS Service Nodes (SGSNs) and Gateways (GGSNs) to mediate with the network
service providers.
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