Alcatel CareTime vs NIU GO 21
Alcatel CareTime
NIU GO 21
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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GPRSYesYes
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EDGE
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Availability
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Oficially announced2016-12014-5
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Status20162014-6
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Design
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SIMYesDual SIM (Mini-SIM)
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Height40 mm105 mm
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Width40 mm44.9 mm
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Thickness15.8 mm14.2 mm
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Weight66 g
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ColorsBlue, OrangeBlack, Blue, Gray, Green, Orange, Red
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Display
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Display typeOLED (single white color)TFT
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Physical size0.95 inches1.8 inches
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Resolution96 x 64 pixels128 x 160 pixels
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Pixel density121 ppi114 ppi
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Display colors-66560
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Hardware
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ChipsetMT7198D-
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Internal storage-64 Mbit
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSNucleus OS-
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Sound
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3.5mm jackNoYes
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LoudspeakerYesYes
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NotificationsYesVibration, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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USBmicroUSB 2.0
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Bluetoothv4.0v2.1
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Bluetooth EDR-Yes
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GPSYes, with A-GPSNo
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Features
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Messaging SMS-SMS
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Messaging MMS-MMS
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Messaging IM-IM
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WAP-Yes
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JavaNoNo
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Voice messagingYes-
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Browser
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity380 mAh650 mAh
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Battery removableNon-removable-
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Talk time-6 h
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Standby time96 h200 h
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Main camera
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Primary camera resolution-640 x 480 pixels
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Primary camera video-no
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Selfie camera
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Secondary camera-No