GENERAL
IntroducedJanuary 2006
Network (2G)GSM 900 / GSM 1800 / GSM 1900
Network (3G)UMTS 2100
Form factorBlock
Antenna typeInternal
HARDWARE SPECS
BenQ-Siemens S81Received calls10
Outgoing calls10
Lost calls10
Shared memory30 MB
Extras- Photo call
- microSD (TransFlash)
SIZE
BenQ-Siemens S81Weight99.0 g (with battery)
Dimensions109 x 48 x 13
DISPLAY
BenQ-Siemens S81TypeGraphical
ColouredYes, TFT, 256k colors
Resolution176 x 220 pixels
Extras
RINGTONES
BenQ-Siemens S81Polyphonic ringtonesYes, 72
Extras- MP3, AAC
NETWORKING
BenQ-Siemens S81GPRSYes, Class 10 (4+1/3+2 slots), 32-48
3GYes, 384 kbps
BluetoothYes, 1.1
BrowserYes, WAP 2.0/xHTML
InfraredNo
Email clientYes
CAMERA
BenQ-Siemens S81TypeBuiltin
Extras- 1.3 MP, 1280 x 1024 pixels, video, flash; secondary VGA video call camera
FEATURES
BenQ-Siemens S81SMSSend / Receive
MMSSend / Receive
Java
GamesYes
ClockYes
AlarmYes
CalculatorYes
CalendarYes
To-do listYes
T9Yes
Extras- MP3/AAC player
- Video telephony
- Stopwatch
- Organizer