BenQ-Siemens EF81

Network
Technology
GSM / UMTS

2G bands
GSM 900 / 1800 / 1900

3G bands
UMTS 2100

Speed
Yes, 384 kbps

Launch
Announced
2006, January

Status
Discontinued

Body
Dimensions
94 x 51 x 15.9 mm (3.70 x 2.01 x 0.63 in)

Weight
110 g (3.88 oz)

SIM
Mini-SIM

Display
Type
TFT, 256K colors

Size
2.2 inches, 34 x 45 mm, 15.0 cm2 (~31.3% screen-to-body ratio)

Resolution
240 x 320 pixels, 4:3 ratio (~182 ppi density)

 Second external 256K colors display, TFT (120 x 160 pixels)
Aluminum rear cover

Memory
Card slot
microSD (dedicated slot)

Phonebook
500 x 20 fields, Photo call

Call records
100 dialed, 100 received, 100 missed calls

Internal
64MB

Main Camera
Single
2 MP

Features
rotating lens

Video
Yes

Selfie camera
 
No

Sound
Loudspeaker
No

Alert types
Vibration; Downloadable polyphonic, AAC ringtones

3.5mm jack
No

Comms
WLAN
No

Bluetooth
Yes

Positioning
No

Radio
No

USB
Proprietary

Features
Sensors

Messaging
SMS, MMS, Email

Browser
WAP 2.0/xHTML, HTML

Games
5 – StarWars, SeaBattle, SuperBomber + downloadable

Java
Yes, MIDP 2.0

 Video telephony
MP3/AAC player
Video player
Photo editor
Predictive text input
Voice dial
Stopwatch
Organizer

Battery
Type
Removable Li-Ion 950 mAh battery

Stand-by
Up to 300 h

Talk time
Up to 4 h 30 min

Misc
Colors
Titanium Silver