Nokia 9471 WMM MME SGSN WM9 Data Sheet
The Nokia 9471 Wireless Mobility Manager (WMM) is a combined Mobility Management Entity/Serving GPRS Support Node (MME/SGSN) in 3GPP Long Term Evolution (LTE) and General Packet Radio Service/Wideband Code Division Multiple Access (GPRS/W-CDMA) networks, providing authentication, mobility and session management, and 2G/3G bearer management of mobile subscribers.