Nokia Lumia 900 AT&T specification and features

Network
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 1900 / 2100
4G bands 4, 17
Speed HSPA 21.1/5.76 Mbps, LTE Cat3 100/50 Mbps
Launch
Announced 2012, January. Released 2012, April
Status Discontinued
Body
Dimensions 127.8 x 68.5 x 11.5 mm, 90 cc (5.03 x 2.70 x 0.45 in)
Weight 160 g (5.64 oz)
SIM Micro-SIM
Display
Type AMOLED capacitive touchscreen, 16M colors
Size 4.3 inches, 52.6 cm2 (~60.1% screen-to-body ratio)
Resolution 480 x 800 pixels, 5:3 ratio (~217 ppi density)
Protection Corning Gorilla Glass
  Nokia ClearBlack display
Platform
OS Microsoft Windows Phone 7.5 Mango
Chipset Qualcomm APQ8055 Snapdragon S2
CPU 1.4 GHz Scorpion
GPU Adreno 205
Memory
Card slot No
Internal 16GB 512MB RAM
Main Camera
Single 8 MP, AF
Features Carl Zeiss optics, dual-LED flash
Video 720p@30fps
Selfie camera
Single 1.3 MP
Video VGA@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLAN Wi-Fi 802.11 b/g/n
Bluetooth 2.1, A2DP, EDR
GPS Yes, with A-GPS
Radio Stereo FM radio, RDS
USB microUSB 2.0
Features
Sensors Accelerometer, gyro, proximity, compass
  MP3/WAV/eAAC+/WMA player
MP4/H.264/WMV player
Document viewer/editor
Video/photo editor
Battery
  Non-removable Li-Ion 1830 mAh battery (BP-6EW)
Stand-by Up to 300 h
Talk time Up to 7 h
Music play Up to 60 h
Misc
Colors Matte black, cyan, pink
SAR 1.51 W/kg (head)     1.30 W/kg (body)    
SAR EU 1.24 W/kg (head)    
Tests
Battery life
Endurance rating 29h
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