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Phone	Palm Treo 650 (CDMA)	Ericsson T66	Nokia N78	Motorola T280i	Pantech Duo C810
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	2.4" diag. 4 : 3	?	2.2" diag. 4 : 3
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	?	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	?	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	?	?	1,200 mAh	?	1,320 mAh
Processor	312 MHz Intel XScale PXA270	?	369 MHz ARM 11	?	ARM 920t PXA27x
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	Yes	-	3 megapixel	-	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	-	VGA (640 x 480)	-	QVGA (320 x 240)
Front Camera	-	-	-	-	-
Weight	6.3 oz (179g)	2.08 oz (59g)	3.59 oz (102g)	4 oz (113g)	3.88 oz (110g)
Dimensions	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm)	4.45" x 1.93" x 0.59" (113 x 49 x 15.1 mm)	4.9" x 1.9" x 0.9" (124 x 48 x 22.9 mm)	4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm)
Form Factor	Slab	Slab	Slab	Slab	Slide
Platform / OS	Palm OS	(proprietary)	S60 (Symbian)	(proprietary)	Windows Mobile Standard
Network Bands	CDMA: 850, 1900	GSM: 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *	GSM: 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	-	HSDPA 3.6	GPRS	HSDPA 1.8
Features
GPS / Location	n/a	-	n/a	-	n/a
Accessibility
Multiple Languages	n/a	Yes	n/a	-	n/a
Alerts
Ringer Profiles	-	Yes	Yes	-	Yes
Connectivity
Bluetooth	Yes Classic Audio	-	Yes Classic Audio	Yes	Yes Classic Audio
Infrared (IR)	Yes	-	-	Yes	-
USB	-	-	Yes Micro-USB	Yes	Yes
Wi-Fi	-	-	Yes 802.11 b,g	-	-
Contacts
Picture ID	n/a	-	n/a	-	n/a
Ringer ID	n/a	-	n/a	Yes	n/a
Voice Dialing	n/a	-	n/a	Yes	n/a
Customization
Custom Graphics	n/a	Yes	n/a	Yes	n/a
Custom Ringtones	n/a	Yes	n/a	Yes	n/a
Real-Music Ringers	n/a	-	n/a	-	n/a
Data & Network
Data Tethering	n/a	-	n/a	Yes	n/a
WAP / Web Browser	n/a	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	Yes
Touch Screen	Yes	-	-	-	-
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
Email Client	n/a	-	n/a	-	n/a
EMS / Picture Messaging	n/a	Yes	n/a	Yes	n/a
Instant Messaging	n/a	-	n/a	-	n/a
MMS	n/a	-	n/a	-	n/a
Text Messaging Templates	n/a	Yes	n/a	-	n/a
Music
FM Radio	-	-	Yes	-	-
FM Transmitter	n/a	-	n/a	-	n/a
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	n/a	-	n/a	-	n/a
Stereo Speakers	-	-	Yes	-	-
Photo & Video
TV Output	-	-	Yes	-	-
Video Calling	n/a	-	n/a	-	n/a
Productivity
Alarm	n/a	Yes	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	Yes	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	Yes	n/a	-	n/a
Voice Memo	n/a	-	n/a	Yes	n/a
Software
Games	n/a	Yes	n/a	Yes	n/a
Java (J2ME)	n/a	-	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	-	n/a	Yes	n/a
Push-To-Talk	-	-	Yes *	-	-
Speaker Phone	Yes	-	Yes	-	Yes
	* Some versions only
	Palm Treo 650 (CDMA)	Ericsson T66	Nokia N78	Motorola T280i	Pantech Duo C810
	X >	< X >	< X >	< X >	< X

NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Palm Treo 650 (CDMA)	Ericsson T66	Nokia N78	Motorola T280i	Pantech Duo C810