Treo

The Palm Treo is a line of smartphones originally developed by Handspring, which was bought by Palm, Inc. They are now manufactured and maintained by Palm, Inc. Treos have a number of integrated features such as the ability to check the calendar while talking on the phone, dial directly from a list of contacts, and send email messages. Recent models include a built-in camera. Traditionally, Treos run Palm OS which allows synchronization with both Mac OS X and Microsoft Windows, but newer models also have editions that run Windows Mobile.

Treo Devices

As of August 2008, there have been nineteen Treo models, listed below in order of release. Treos through the 680 series have used Palm OS; Beginning with the 700 series, Treos are using both Palm OS and Windows Mobile. The Treo 700w was the first of the 700 line and the first Treo to ever use Windows Mobile. On August 19, 2008, Palm released the Treo Pro, which is thinner than the 800w, uses Windows Mobile 6.1, and has a touchscreen and UMTS/HSDPA GSM networking.

Officially announced models:

Release date	Models	PDA Notes	Phone Notes	Other Notes	Network
2008	Palm Treo Pro (GSM)	TFT touch screen display with a 320 x 320 pixel resolution, Windows Mobile 6.1 Professional Edition OS, preloaded with Microsoft Office Mobile Professional 6.1, 2.0 MP camera/camcorder, 256 MB user memory/128 MB program memory (expandable via microSDHC slot up to a supported memory of 32 GB ), stereo Bluetooth 2.0+EDR compliant, one touch Wi-Fi access (802.11b/g), integrated GPS, 3.5mm headphone jack.	GSM bands: 850/900/1800/1900, GPRS, EDGE, UMTS UMTS bands: 850/1900/2100, HSDPA. Released August 19, 2008.	First Palm Treo device to have a flush touchscreen, 3.5mm headphone jack (as opposed to historically using a 2.5mm jack), and the new "glossy" black (Obsidian) styling. Approximately 1/3" thinner than previous generation Treos.	Unlocked / No Carrier as of launch date.
2008	Palm Treo 800w (CDMA)	TFT touch screen display of 16k colors with a 320 x 320 pixel resolution, Windows Mobile 6.1 OS, preloaded with Microsoft Office Mobile Professional 6.1, 2.0 MP camera/camcorder, 256 MB user memory/128 MB program memory (expandable via microSD slot up to a supported memory of 8 GB ), stereo Bluetooth 2.0+EDR compliant, one touch Wi-Fi access, integrated GPS.	CDMA 800/1900 MHz dual-band digital voice network access, EV-DO Rev A (backwards compatible with EV-DO Rev 0 and 1XRTT). Sprint Nextel is the exclusive North American wireless carrier of the Palm Treo 800w at launch date (July 13, 2008).	First Palm Treo device to support the A2DP Bluetooth Profile, integrated GPS and have embedded Wi-Fi. Product SKU PTR800HK.	Sprint
2007	Palm Centro (CDMA), (GSM)	320 x 320 pixel resolution, removable battery, 1.3 MP camera, bluetooth 1.2, Palm OS 5	CDMA 800/1900MHz digital dual-band, CDMA2000 EvDO network, backwards compatible with 1xRTT networks. Sprint exclusive at launch date. Released October 14, 2007.	Product SKU PTR690HK aligns this phone with the Treo family, however it was branded the Palm Centro.	AT&T/Sprint/Verizon
2007	Treo 500 (GSM)	320 x 240 pixel resolution, no touchscreen, removable battery, 2 MP VGA camera, bluetooth 1.2, Windows Mobile 6.0	GSM, GPRS, EDGE, UMTS -class 10 radio Quad band (850/900/1800/1900 MHz)	Launched September 12, 2007 for European network.	Vodafone
2007	Treo 755p (CDMA)	320 x 320 pixel resolution, removable battery, 1.3 MP camera (subject to change), Bluetooth, Palm OS 5	CDMA 800/1900MHz digital dual-band, CDMA2000 EvDO network, backwards compatible with 1xRTT networks. First CDMA Treo to lose aerial antenna. Released May 2007.		Sprint/Verizon
2006	Treo 750v and 750 (GSM)	240 x 240 pixel resolution, removable battery, 1.3 MP camera, Bluetooth 1.2, Windows Mobile	GSM GSM bands: 850/900/1800/1900, GPRS, EDGE, UMTS UMTS bands: 850/1900/2100, HSDPA (via unsupported software patch)		AT&T
2006	Treo 680 (GSM)	320 x 320 pixel resolution, removable battery, 0.3 MP VGA camera, bluetooth 1.2, Palm OS 5	GSM, GPRS, EDGE-class 10 radio Quad band (850/900/1800/1900 MHz)	First Treo phone to have the stubby antenna appendage removed.	AT&T/Rogers
2006	Treo 700wx (CDMA)	240 x 240 pixel resolution screen, 64MB RAM[citation needed] Bluetooth 1.2 wireless support, removable battery, 1.3 MP camera, Windows Mobile	800/1900MHz digital dual-band Palm® Treo™ 700wx smartphone for Verizon Wireless CDMA2000 EvDO network—compatible with 1xRTT network		Alltel/Sprint/Verizon
2006	Treo 700p (CDMA)	320 x 320 pixel resolution screen, Bluetooth 1.2 wireless support, removable battery, 1.3 MP camera, Palm OS 5	CDMA 800/1900MHz digital dual-band, CDMA2000 EvDO network-backwards compatible with 1xRTT and IS95 networks		Sprint/Verizon
2006	Treo 700w (CDMA)	240 x 240 pixel resolution screen, originally 32MB RAM, updated to 64MB[citation needed], Bluetooth 1.2 wireless support, removable battery, 1.3 MP camera, Windows Mobile	CDMA2000 EvDO network— backwards compatible with 1xRTT network		Sprint/Verizon
2004	Treo 650 (CDMA)	320 x 320 pixel resolution screen, Bluetooth 1.1 wireless support, removable battery, 0.3 MP camera, Palm OS 5	CDMA model: 800/1900 MHz digital dual-band
2004	Treo 650 (GSM)	320 x 320 resolution screen, Bluetooth 1.1 wireless support, removable battery, 0.3 MP camera, Palm OS 5	GSM, GPRS, EDGE-class 10 radio Quad band (850/900/1800/1900 MHz)
2003	Treo 600 (CDMA)	Color screen, five-way navigator, backlit keyboard, Palm OS 5, no camera		candy bar form factor	Sprint/Verizon
2003	Treo 600 (CDMA)	Color screen, five-way navigator, backlit keyboard, Palm OS 5, camera		Candy bar form factor	Sprint/Verizon
2003	Treo 600 (GSM)	Color screen, five-way navigator, backlit keyboard, Palm OS 5, camera	Quad-band GSM	candy bar form factor
2003	Treo 300	Color screen, backlit keyboard		flip form factor	Sprint
2002	Treo 270	Color screen, backlit keyboard	Dual-band GSM	flip form factor
2002	Treo 180g	Monochrome screen, Graffiti input instead of keyboard	Dual-band GSM	flip form factor
2002	Treo 180	Monochrome screen	Dual-band GSM	flip form factor
2002	Treo 90	Only a PDA, runs Palm OS 4.1H, 160x160 12-bit CSTN colour display, internal battery	no phone component is built-in	-

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