NEC e121 vs Siemens U15
NEC e121
Siemens U15
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G network-UMTS 2100
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Speed Yes-Yes, 384 kbps
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GPRSYesYes
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EDGE
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Availability
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Oficially announced20052003
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Status
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Design
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SIMMini-SIMMini-SIM
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Height106 mm136 mm
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Width44 mm53 mm
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Thickness12.4 mm24 mm
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Weight95 g140 g
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ColorsSilver-
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Display
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Display typeCSTNTFT
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Physical size1.8 inches-
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Resolution128 x 160 pixels176 x 220 pixels
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Pixel density114 ppi-
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Display colors6656066560
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Hardware
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Internal storage3.6 MB-
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Memory card
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Main camera
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Primary camera resolution640 x 480 pixels640 x 480 pixels
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Primary camera videonovideo
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Selfie camera
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Secondary cameraNoYes
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Sound
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3.5mm jackNoNo
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LoudspeakerYesNo
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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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WLAN
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USBYesYes
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BluetoothYes
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Infrared-Yes
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging EMSEMSEMS
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Messaging MMSMMSMMS
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Messaging Email-Email
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYesYes
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Java MIDPMIDP 2.0-
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity800 mAh800 mAh
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Talk time2 h 30 min1 h 50 min
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Standby time150 h250 h