Sony Ericsson U20a, U20i manual Wi-Fi, Wmm-Uapsd

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White paper Xperia™ X10 mini pro

Wi-Fi™

Wi-Fi™ is a popular wireless networking technology that uses radio waves to provide wireless high-speed Internet and network connections. Wi-Fi hotspots exist in an increasing number of locations, for example, airports, hotels, cafés and bistros. Mobile phones that support Wi-Fi can facilitate high data transfer rates and lower calling costs.

Supported standards

Wi-Fi™ certified. When applicable, 802.11g is prioritized

 

over 802.11b.

 

 

Connectable devices

Wi-Fi™ access points

 

 

Frequency band

2.4 GHz

 

 

Data transmission rate

54 Mbps

 

 

Security

Open

 

Open WEP

 

Shared WEP

 

WPA Personal and WPA2 Personal

 

 

Encryption

TKIP and AES

 

 

Power save

WMM-UAPSD

 

QoS, WMM

 

 

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March 2011

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Contents X10 mini pro U20i, U20a Purpose of this document Document history VersionTable of contents From here to infinity Your home screen just like homeOne way to everyone Shift key Keyboard function keysBackspace key Enter key Space keyFacts dimensions, weight, performance and networks Standby time GSM BatteryTalk time GSM Talk time UmtsApplication overview list Full feature list Signature featuresCommunication Messaging Design Categorised featuresCamera Music Web Entertainment Organiser ConnectivityGoogle services GoogleBluetooth wireless technology Device-to-device communications localWi-Fi WMM-UAPSDMore information MMS Multimedia Messaging ServiceMessaging Positioning location based services Multimedia Audio & VideoSynchronisation OMA DS Web browserTrademarks and acknowledgements