Cell Phone,In the 1990s, the 'second generation' mobile phone systems emerged. Two systems competed for supremacy in the global market: the European developed GSM standard and the U.S. developed CDMA standard. These differed from the previous generation by using digital instead of analog transmission, and also fast out-of-band phone-to-network signaling. The rise in mobile phone usage as a result of 2G was explosive and this era also saw the advent of prepaid mobile phones.

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Saturday, May 26, 2018

SAMSUNG GALAXY A5

SAMSUNG GALAXY A5

Specification:
Network
Technology GSM / HSPA / LTE
Launch
Announced 2014, October
Status Available. Released 2014, December
Body
Dimensions 139.3 x 69.7 x 6.7 mm (5.48 x 2.74 x 0.26 in)
Weight 123 g (4.34 oz)
SIM Nano-SIM
Display
Type Super AMOLED capacitive touchscreen, 16M colors
Size 5.0 inches (~71.0% screen-to-body ratio)
Resolution 720 x 1280 pixels (~294 ppi pixel density)
Multitouch Yes
Protection Corning Gorilla Glass 4
Platform
OS Android OS, v4.4.4 (KitKat), upgradable to v5.0.2 (Lollipop)
Chipset Qualcomm MSM8916 Snapdragon 410
CPU Quad-core 1.2 GHz Cortex-A53
GPU Adreno 306
Memory
Card slot microSD, up to 64 GB (dedicated slot)
Internal 16 GB, 2 GB RAM
Camera
Primary 13 MP, f/2.0, 28mm, autofocus, LED flash
Features Geo-tagging, touch focus, face detection, panorama
Video 1080p@30fps
Secondary 5 MP, f/2.2, 23mm
Sound
Alert types Vibration; MP3, WAV ringtones
Loudspeaker Yes
3.5mm jack Yes
- Active noise cancellation with dedicated mic
Comms
WLAN Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot
Bluetooth v4.0, A2DP, EDR, LE
GPS Yes, with A-GPS, GLONASS, BDS
NFC Yes (LTE model only)
Radio FM radio, recording
USB microUSB v2.0
Features
Sensors Accelerometer, proximity, compass
Messaging SMS(threaded view), MMS, Email, Push Mail, IM
Browser HTML5
Java No
- ANT+ support
- S-Voice
- MP4/WMV/H.264 player
- MP3/WAV/WMA/eAAC+/FLAC player
- Photo/video editor
- Document viewer
Battery
Non-removable Li-Ion 2300 mAh battery
Talk time Up to 15 h (3G)
Music play Up to 68 h
Tests
Performance Basemark OS II: 555 / Basemark OS II 2.0: 569
Basemark X: 1897
Display Contrast ratio: Infinite (nominal), 3.895 (sunlight)
Camera Photo / Video
Loudspeaker Voice 57dB / Noise 60dB / Ring 66dB
Audio quality Noise -94.5dB / Crosstalk -93.8dB
Battery life
Endurance rating 74h
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