Siemens ST55 vs i-mate PDA2
Siemens ST55
i-mate PDA2
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Network
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2G networkGSM 900, 1800GSM 900, 1800, 1900
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GPRSYesYes
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EDGE
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Availability
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Oficially announced20032004
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Status
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Design
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SIMMini-SIMMini-SIM
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Height99 mm130 mm
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Width47 mm69 mm
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Thickness22 mm19 mm
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Weight87 g190 g
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Colors--
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Display
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Display typeTFTTFT resistive touchscreen
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Physical size7 lines3.5 inches
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Resolution120 x 160 pixels240 x 320 pixels
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Pixel density-114 ppi
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Display colors6656066560
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Hardware
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CPU0 MHz Intel XScale PXA272 52
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Memory ROM-64 MB
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Memory RAM-128 MB
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Memory cardMMC/SDIO
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Memory card max-2 GB
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Main camera
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Main camera1.3 MP
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Primary camera resolution640 x 480 pixels1280 x 960 pixels
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Primary camera videonovideo
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; Downloadable polyphonic ringtonesVibration; Downloadable polyphonic ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11b
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USBYes
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Bluetoothv1.2
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Infrared-Yes
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GPSNoNo
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Features
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AlarmYes-
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ClockYes-
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Messaging SMSSMSSMS
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Messaging EMSEMS-
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Messaging MMSMMSMMS
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Messaging Instant Messaging-Instant Messaging
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Messaging EmailEmailEmail
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaNoYes
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Java MIDP-MIDP 2.0
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity750 mAh1300 mAh
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Talk time4 h 30 min3 h 30 min
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Standby time140 h150 h
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OS
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OS-Microsoft Windows Mobile 2003 SE PocketPC
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Browser
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HTML-HTML (PocketIE)