Palm Centro is the smallest Palm device up to date, a CDMA/EV-DO phone with touch-sensitive display and QWERTY keyboard similar to other Treos. It is smartphone running on Palm's OS and features microSD card slot, 1.3-megapixel camera, and multimedia player

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The GSM variant of the Centro has the same design as the CDMA/EV-DO version, so is one of the small Palms. It is quad-band GSM/EDGE phone with touch-sensitive display, Palm OS and featutes 1.3-megapixel camera, microSD slot and Stereo Bluetooth.

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The Palm Treo 500v is the first Treo without touch-screen, as it uses Windows Mobile 6 Standard Edition OS. The phone features QVGA landscape display, QWERTY keyboard and operates in tri-band GSM networks, also featuring UMTS

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Treo 650, the successor of Treo 600, is a CDMA phone (also available in GSM version). It features 65k STN display, Bluetooth, built-in VGA (680x480) camera, QWERTY keyboard, MMC/SD memory expansion slot and Palm OS 5.4.

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Treo 650, the successor of Treo 600, is a GSM phone (also available in CDMA version). It features 65k STN display, Bluetooth, built-in VGA (680x480) camera, QWERTY keyboard, MMC/SD memory expansion slot and Palm OS 5.4.

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The small Treo 680 has internal antenna in its candybar body with 0.8" thickness. Below the 320x320, 65k color display it has full QWERTY keyboard which is used for the email client of the phone. It has slot for memory, camera, and multimedia players

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The 700p is Palm OS version of the 700w. It is EV-DO capable CDMA smartphone with large 320x320 touch display and 1.3-megapixel camera. It has speakerphone, Internet browser, and email client

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Palm 700w is the first Treo to run on Windows Mobile Operating System. It features bar form-factor and full QWERTY keyboard. It also has 240x240 touch-screen and 1.3-megapixel camera. Treo 700w operates in CDMA networks and take advantage of EV-DO high-speed data

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The antenna-less 750v is high-end 3G Treo supporting tri-band world UMTS frequencies. It runs on Windows Mobile operating system and 300MHz Samsung processor and features 240x240 pixels touch display

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Palm Treo 755p is a dual-band CDMA/EVDO smartphone. It features 65k color TFT touch screen, 1.3 megapixel camera, Bluetooth and miniSD slot for memory. It runs on Palm OS 5.4.9 and is powered by Intel XScale 312MHz processor.

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Palm Treo 800w is the successor of the 700w, keeping similar form-factor but with integrated antenna. It has 320x320 pixels touch display, runs on Windows Mobile 6.0 and is a CDMA/EV-DO phone.

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Palm Treo 850 is yet another Treo to run on Windows Mobile Professional OS. It is a GSM phone with touch display and full QWERTY keyboard.

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This world enabled GSM device features color TFT display, built-in keyboard, GPRS high-speed data, PalmOS games support, SD/MMC card slot, Infrared, Bluetooth and Internet browsing capabilities.

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