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Palm Centro

Palm Treo 680

Network
Technology	GSM	GSM
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
GPRS	Class 10	Class 10
EDGE	Class 10	Class 10

Launch
Announced	2008, February. Released 2008, March	2006, October
Status	Discontinued	Discontinued

Body
Dimensions	107.2 x 53.5 x 18.6 mm (4.22 x 2.11 x 0.73 in)	111.8 x 58.4 x 20.3 mm (4.40 x 2.30 x 0.80 in)
Weight	124 g (4.37 oz)	157 g (5.54 oz)
Keyboard	QWERTY	QWERTY
SIM	Mini-SIM	Mini-SIM

Display
Type	TFT resistive touchscreen, 65K colors	TFT resistive touchscreen, 65K colors
Size	2.25 inches, 16.3 cm2 (~28.5% screen-to-body ratio)	2.5 inches, 20.2 cm2 (~30.9% screen-to-body ratio)
Resolution	320 x 320 pixels, 1:1 ratio (~201 ppi density)	320 x 320 pixels, 1:1 ratio (~181 ppi density)
	5-way navigation button	5-way navigation button

Platform
OS	Palm OS 5.4.9	Palm OS 5.4.9
CPU	32-bit Intel XScale PXA270 312 MHz	Intel PXA270 312 MHz

Memory
Card slot	microSDHC (dedicated slot)	SD/MMC, up to 4 GB
Internal	64MB	64MB

Main Camera
Modules	1.3 MP	VGA
Video	Yes	CIF

Selfie Camera
Modules	No	No

Sound
Loudspeaker	Yes	Yes
3.5mm jack	No	No

Comms
WLAN	No	No
Bluetooth	1.2, A2DP	1.2, A2DP
Positioning	No	No
Infrared port	Yes	Yes
Radio	No	No
USB	Proprietary	Proprietary

Features
Sensors
	Document editor (Word, Excel, Powerpoint, PDF) MP3 player Organizer Voice memo	Document editor (Word, Excel, PowerPoint, PDF) MP3 player Organizer Voice memo

Battery
Type	Removable Li-Ion 1150 mAh battery	Removable Li-Ion battery
Stand-by	Up to 300 h	Up to 300 h
Talk time	Up to 4 h	Up to 4 h

Misc
Colors	Obsidian, Glacier, Midnight, Cobalt, Onyx, Electric Blue, Rose, Olive	Graphite, Crimson, Arctic, Copper
SAR	0.27 W/kg (head)     0.22 W/kg (body)
Price	About 70 EUR	About 220 EUR