NETWORK Technology GSM / CDMA / HSPA / EVDO
2G bands GSM 850 / 900 / 1800 / 1900
  CDMA 800 / 1900
3G bands HSDPA 900 / 2100
  CDMA2000 1xEV-DO
Speed HSPA 14.4/5.76 Mbps, EV-DO Rev.A 3.1 Mbps
LAUNCH Announced 2011, May. Released 2011, August
Status Discontinued
BODY Dimensions 115 x 66 x 10.5 mm (4.53 x 2.60 x 0.41 in)
Weight 130 g (4.59 oz)
Keyboard QWERTY
SIM Mini-SIM
  Optical trackpad
DISPLAY Type TFT
Size 2.8 inches, 24.3 cm2 (~32.0% screen-to-body ratio)
Resolution 640 x 480 pixels, 4:3 ratio (~286 ppi density)
PLATFORM OS BlackBerry OS 7.0
CPU 1.2 GHz QC 8655
MEMORY Card slot microSDHC (dedicated slot)
Internal 8GB 768MB RAM
MAIN CAMERA Single 5 MP
Features LED flash
Video 720p
SELFIE CAMERA   No
SOUND Loudspeaker Yes
3.5mm jack Yes
COMMS WLAN Wi-Fi 802.11 b/g/n
Bluetooth 2.1, A2DP, EDR
Positioning GPS, A-GPS, BlackBerry Maps
NFC Yes
Radio No
USB microUSB 2.0
FEATURES Sensors Accelerometer, proximity, compass
Browser HTML
  BlackBerry maps
Document viewer
MP4/WMV/H.264 player
MP3/eAAC+/WMA/WAV player
Organizer
Voice memo/dial
Predictive text input
BATTERY Type Removable Li-Ion 1230 mAh battery
Stand-by Up to 307 h (2G) / Up to 307 h (3G)
Talk time Up to 6 h 40 min (2G) / Up to 5 h 50 min (3G)
Music play Up to 50 h
MISC Colors Black
SAR 1.38 W/kg (head)     0.78 W/kg (body)    
SAR EU 0.77 W/kg (head)     0.84 W/kg (body)    
Price About 120 EUR

Package include:
1*  BlackBerry Curve 8520 Unlocked Smartphone
1* Cable
1* Charger
1* Battery
1* Instruction Book
1* Box