NIU C21A vs Plum Signal
NIU C21A
Plum Signal
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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GPRSYesYes
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EDGE
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Availability
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Oficially announced2013-32012-9
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Status2013-42012-10
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height106 mm92 mm
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Width45 mm45 mm
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Thickness14.5 mm17.5 mm
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Weight73 g89 g
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Keyboard-QWERTY
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ColorsBlack, Blue, Fuchsia, Green, Purple, Red, WhiteBlue, Green, Pink, Red, White
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Display
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Display typeTFTTFT
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Physical size1.8 inches1.8 inches
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Resolution128 x 160 pixels160 x 120 pixels
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Pixel density114 ppi111 ppi
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Display colors262144-
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Hardware
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Chipset-Mediatek MT6250
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Memory ROM-32 MB
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Internal storage64 Mbit-
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Memory RAM-32 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 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 1024 pixels
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Primary camera videono@10fps
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Camera featuresNo-
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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, PolyphonicVibration, MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radioStereo FM radio
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Connectivity
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WLAN
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USBYesYes
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Bluetoothv2.0v2.0
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IMIMIM
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WAPYesWAP 2.0/xHTML
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JavaNoNo
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity600 mAh800 mAh
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Talk time4 h4 h
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Standby time200 h200 h
