NIU C21A vs Panasonic KX-TU311
NIU C21A
Panasonic KX-TU311
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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GPRSYes
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EDGE
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Availability
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Oficially announced2013-32011-10
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Status2013-4
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Design
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SIMDual SIM (Mini-SIM)Mini-SIM
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Height106 mm121 mm
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Width45 mm57 mm
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Thickness14.5 mm19 mm
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Weight73 g110 g
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ColorsBlack, Blue, Fuchsia, Green, Purple, Red, WhiteBlack
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Display
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Display typeTFTTFT
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Physical size1.8 inches1.9 inches
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Resolution128 x 160 pixels220 x 176 pixels
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Pixel density114 ppi148 ppi
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Display colors26214466560
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Hardware
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Internal storage64 Mbit-
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Memory cardmicroSD
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Memory card max32 GB-
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Main camera
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Primary camera resolution640 x 480 pixels-
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Primary camera videono-
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Camera featuresNo-
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Selfie camera
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Secondary cameraNo-
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration, PolyphonicVibration, Polyphonic(25)
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Multimedia
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Radio-No
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Radio FMStereo FM radio-
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Connectivity
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WLAN
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USBYes
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Bluetoothv2.0Yes
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging IMIM-
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WAPYes-
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JavaNoNo
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity600 mAh940 mAh
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Talk time4 h4 h
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Standby time200 h280 h
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Browser
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Browser-No