The Apple iPhone 3GS on the AT&T GSM 3G network,
This phone is QUAD band so it can be used in most countries roaming, has great battery life compared to the original iPhone.
Specs:
Size and weight
Height:
4.5 inches (115.5 mm)
Width:
2.4 inches (62.1 mm)
Depth:
0.48 inch (12.3 mm)
Weight:
4.8 ounces (135 grams)
Dimensions
Cellular and wireless
UMTS/HSDPA (850, 1900, 2100 MHz)
GSM/EDGE (850, 900, 1800, 1900 MHz)
Wi-Fi (802.11b/g)
Bluetooth 2.1 + EDR wireless technology
Location
Assisted GPS
Digital compass2
Wi-Fi
Cellular
Power and battery3
Built-in rechargeable lithium-ion battery
Charging via USB to computer system or power adapter
Talk time:
Up to 12 hours on 2G
Up to 5 hours on 3G
Standby time: Up to 300 hours
Battery
Internet use:
Up to 5 hours on 3G
Up to 9 hours on Wi-Fi
Video playback: Up to 10 hours
Audio playback: Up to 30 hours
Mac system requirements
Mac computer with USB 2.0 port
Mac OS X v10.4.11 or later
iTunes 8.2 or later (free download from www.itunes.com/download)
iTunes Store account
Internet access
Windows system requirements
PC with USB 2.0 port
Windows Vista; or Windows XP Home or Professional with Service Pack 2 or later
iTunes 8.2 or later (free download from www.itunes.com/download)
iTunes Store account
Internet access
Linux system requirements
PC with USB 2.0 port
Linux Ubuntu, Redhat or Debian
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