BenQ-Siemens EF51
Network
Technology
GSM
2G bands
GSM 900 / 1800 / 1900
GSM 850 / 1800 / 1900 – US version
GPRS
Class 10
EDGE
No
Launch
Announced
2006, February
Status
Discontinued
Body
Dimensions
89 x 49 x 18 mm (3.50 x 1.93 x 0.71 in)
Weight
95 g (3.35 oz)
SIM
Mini-SIM
Display
Type
TFT, 256K colors
Size
2.2 inches, 40 x 40 mm, 15.6 cm2 (~35.7% screen-to-body ratio)
Resolution
120 x 128 pixels (~80 ppi density)
Memory
Card slot
miniSD
Phonebook
Yes, Photo call
Call records
10 dialed, 10 received, 10 missed calls
Internal
20MB
Main Camera
Single
1.3 MP
Video
No
Selfie camera
No
Sound
Loudspeaker
No
Alert types
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
No
3D surround sound
Comms
WLAN
No
Bluetooth
1.2, A2DP
Positioning
No
Radio
FM radio
USB
Proprietary
Features
Sensors
Messaging
SMS, MMS
Browser
WAP 2.0/xHTML
Games
Yes + downloadable
Java
Yes, MIDP 2.0
WMA/MP3/AAC/AAC+ player
Predictive text input
Voice memo
Stopwatch
Organizer
Battery
Type
Removable Li-Ion 870 mAh battery
Stand-by
Up to 200 h
Talk time
Up to 4 h
Misc
Colors
Flashy White, Black