BenQ-Siemens S81
Network
Technology
GSM / UMTS
2G bands
GSM 900 / 1800 / 1900
3G bands
UMTS 2100
Speed
Yes, 384 kbps
Launch
Announced
2006, February
Status
Discontinued
Body
Dimensions
109 x 48 x 13 mm (4.29 x 1.89 x 0.51 in)
Weight
99 g (3.49 oz)
SIM
Mini-SIM
Display
Type
TFT, 256K colors
Size
2.0 inches, 31 x 39 mm, 12.6 cm2 (~24.1% screen-to-body ratio)
Resolution
176 x 220 pixels (~141 ppi density)
Memory
Card slot
microSD (dedicated slot)
Phonebook
Yes, Photo call
Call records
10 dialed, 10 received, 10 missed calls
Internal
30MB
Main Camera
Single
1.3 MP
Features
LED flash
Video
Yes
Selfie camera
Single
VGA videocall camera
Video
Sound
Loudspeaker
No
Alert types
Vibration; Downloadable polyphonic, MP3, AAC ringtones
3.5mm jack
No
Comms
WLAN
No
Bluetooth
1.1
Positioning
No
Radio
No
USB
Proprietary
Features
Sensors
Messaging
SMS, MMS, Email
Browser
WAP 2.0/xHTML
Games
Yes
Java
Yes, MIDP 2.0
MP3/AAC player
Video telephony
iTap
Stopwatch
Organizer
Battery
Type
Removable Li-Ion 920 mAh battery
Stand-by
Up to 320 h
Talk time
Up to 4 h 50 min
Misc
Colors
Black/Silver