Overview & Features
Technical Specifications
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Overview & Features
Brand
Okwap
Model
K728
Released
2007 Jan
Manufacturer
Inventec
Hardware Designer
Inventec
Technical Specifications
Display
Pixel Size
0.18102 mm/pixel
Resolution
176x220
38720 pixels
Display Area
1268.8 square millimeter
Display Type
Color TN-TFT LCD
display
Display Width
31.86 mm
Pixel Density
140 PPI
Display Height
39.82 mm
Display Diagonal
51 mm
Display Color Depth
16 bit/pixel
Display Illumination
Yes
Display Subpixel Scheme
RGB Matrix (3 subpixels)
Display Area Utilization
29.5%
Number of Display Scales
65536
Scratch Resistant Screen
No
Horizontal Full Bezel Width
14.14 mm
Display Light Reflection Mode
transflective
Power Supply
Battery
Lithium-ion polymer (LiPo)
removable
1-cell
Sound Playing
Audio Output
Proprietary
Loudspeaker(s)
mono
D/A Converter Nominal Resolution
16 bit quantization
Cellular Phone
SIM Card Slot
Mini-SIM (2FF)
Call Alert Sound
40-chord melody
Cellular Antenna
Internal antenna
Supported Cellular Bands
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
bands
Complementary Phone Services
Voice transmission
Voice speaker
Vibrating Alert
Speakerphone
Supported Cellular Data Links
CSD 9.6 kbps
GPRS (Class unspecified)
GPRS Class 10
data links
Audio Subsystem
Audio Channel(s)
stereo
Sound Recording
Microphone(s)
mono
Auxiliary Camera
Aux. Camera Image Sensor
No
Built-in Sensors
Built-in accelerometer
No
Operative Memory
RAM Type
SDRAM
RAM Capacity
64 MiB RAM
Ingress Protection
Protection from liquids
Yes
Protection from solid materials
Yes
Control Peripherals
Keyboard
Built-in numeric
Number of keys
12
Directional Pad
Four-way (with action button)
-way
Keyboard Backlight
Aut. keyboard backlight (upon press of key)
Graphical Subsystem
Graphical Controller
N/A
Non-volatile Memory
Non-volatile Memory Type
Flash EEPROM
Non-volatile Memory Capacity
128 MiB
Non-volatile Memory Interface
Yes
Physical Attributes
Mass
107.8 g
Depth
24.5 mm
Width
46 mm
Height
93.5 mm
Bounding Volume
105.4 ccm
Multimedia Broadcast
FM Radio Receiver
No
Satellite Navigation
Supported GPS protocol(s)
No
Software Environment
Platform
Windows (mobile-class)
Software Extras
Voice Command
Operating System
Microsoft Windows Mobile 5.0 for Smartphone
AKU 2.0
Operating System Kernel Version
5.1.195
Audio/Video Interfaces
A/V Out
No
Auxiliary Camera No. 2
Aux. 2 Camera Image Sensor
No
Auxiliary Camera No. 3
Aux. 3 Camera Image Sensor
No
Auxiliary Camera No. 4
Aux. 4 Camera Focus
No
Aux. 4 Camera Image Sensor
No
Primary Camera System
Zoom
1.0 x optical zoom
Flash
No
Focus
No
Video Recording
352x288 pixel
Camera Placement
Rear
Camera Resolution
1600x1200 pixel
Camera Image Sensor
CMOS
Recordable Image Formats
BMP , JPG
Recordable Video Formats
3GP , MPEG4
Number of effective pixels
1.9 MP camera
Secondary Camera System
Secondary Camera Sensor
No
Communication Interfaces
IR
IrDA 1.2
115200bit/s (SIR/CIR)
USB
USB 1.1
USB Full-Speed (12 Mbps)
Bluetooth
Bluetooth 2.0
Internal antenna
Wireless LAN
No
USB Connector
USB Series Mini-B (mini-USB)
Expansion Interfaces
Secure Digital Input/Output interface
miniSD
Secondary Cellular Phone
Sec. Supported Cellular Networks
No
Secondary Auxiliary Camera
Sec. Aux. Cam. Image Sensor
No
Application processor, Chipset
CPU
Samsung SC32442, 2003, 32 bit, single-core, 16 Kbyte I-Cache, 16 Kbyte D-Cache
CPU Clock
400 MHz
Secondary Auxiliary Camera No. 2
Sec. Aux. 2 Cam. Image Sensor
No
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