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White paper | Xperia™ ray
7 June 2011
*Values are according to GSM Association Battery Life Measurement Technique.
Note: Battery performance may vary depending on network conditions and configurations, and phone
usage.
Networks
ST18i UMTS HSPA 900 (Band VIII), 2100 (Band I)
GSM GPRS/EDGE 850, 900, 1800, 1900
ST18a UMTS HSPA 800(Band VI), 850 (Band V), 1900 (Band II),
2100 (Band I)
GSM GPRS/EDGE 850, 900, 1800, 1900
Data transfer speeds
GSM GPRS Up to 86 kbps
GSM EDGE Up to 237 kbps
UMTS HSPA cat 6 (upload) Up to 5.8 Mbps
UMTS HSPA cat 8 (download) Up to 7.2 Mbps
Talk time (GSM) Up to 6 hours 50 mins*
Standby time (GSM) Up to 430 hours*
Talk time (UMTS) Up to 7 hours*
Standby time (UMTS) Up to 440 hours*
Music listening time Up to 36 hours
Video playback time Up to 6 hours 45 mins
Battery 1500 mAh