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BenQ-Siemens SF71
BenQ-Siemens · phone

SF71

T-Mobile MDA Compact IV
T-Mobile · phone

MDA Compact IV

3

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Launch

2
Announced
2007-03-01
2008-05-12
Status
Discontinued
Discontinued

Network

3
2G bands
  • R-GSM-900
  • E-GSM-900
  • P-GSM-900
  • DCS-1800
  • T-GSM-900
  • DCS-1800
  • P-GSM-900
  • R-GSM-900
  • E-GSM-900
  • T-GSM-900
SIM
  • Single SIM (Mini-SIM)
  • Dual SIM (Mini-SIM)
3G bands
–
B8 (900 MHz)

Body

9
Height
96 mm
110 mm
Width
48 mm
52 mm
Thickness
23 mm
12 mm
Weight
118 g
98 g
Colors
  • Black
  • Black
Back material
Plastic
Plastic
Frame material
Glass
Plastic
QWERTY keyboard
✕ No
✕ No
Form factor
–
Bar

Memory

3
Card slot
microSD
–
Dedicated card slot
✓ Yes
✕ No
Memory
–
  • 128MB RAM, 4GB

Display

8
Size
2"
2.8"
Resolution width
240 px
480 px
Resolution height
320 px
640 px
Pixel density
200 ppi
286 ppi
High refresh rate
✕ No
✕ No
Display area
12.4 cm²
24.3 cm²
Screen-to-body ratio
26.9%
42.4%
Technology
TFT
TFT resistive touchscreen

Main camera

5
Cameras
  • 2MP, No
  • 3.15MP, No
Flash
LED
–
Video
Yes
CIF@30fps
HDR
✕ No
✕ No
Panorama
✕ No
✕ No

Selfie camera

3
HDR
✕ No
✕ No
Pop-up camera
✕ No
✕ No
Video
–
VGA

Sound

3
3.5mm jack
✕ No
✕ No
Stereo speakers
✕ No
✕ No
Loudspeaker
✕ No
✓ Yes

Sensors

6
Gyroscope
✕ No
✕ No
Compass
✕ No
✕ No
Barometer
✕ No
✕ No
Heart rate
✕ No
✕ No
Accelerometer
✕ No
✓ Yes
Proximity
✕ No
✕ No

Connectivity

7
Bluetooth
Bluetooth 1.1
Bluetooth 2.0
USB
USB 1.1
USB miniUSB
GPS
✕ No
✓ Yes
NFC
✕ No
✕ No
Infrared port
✕ No
✕ No
FM radio
✕ No
✓ Yes
Wi-Fi
–
  • 802.11g (6–54 Mbit/s)
  • 802.11b (1–11 Mbit/s)

Battery

4
Capacity
920 mAh
900 mAh
Type
Li-ion
Li-ion
Removable
✓ Yes
✓ Yes
Wireless charging
✕ No
✕ No

Platform

2
OS
–
Windows Phone 6.1 Professional
Chipset
–
Qualcomm MSM7201A