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IntroductionIntroduction: 
BrandBrand name of the device. This may match with the manufacturer Garmin-Asus
ModelOne or more (separated by /) specific model name identifies this device. This field often includes Model Code too which can be separated nuvifone M20 4GB NA
ReleasedFirst official market release date in (year, month) 2009 Oct
Hardware DesignerThe company which designed this device Garmin-Asus
ManufacturerThe company which produces this device ASUSTeK Computer
Device CategorySmartphone, tablet, smart watch, PDA, palmtop, etc.  SmartphoneCallular voice-capable usually touchscreen mobile computer which natively runs third-party apps.

Physical AttributesPhysical Attributes: 
WidthWidth is horizontally measured between the left and right edges of device according to the default display orientation 52.5 mm
HeightHeight is vertically measured between the bottom and top edges of device according to the default display orientation 95.3 mm
DepthDepth refers to the thickness of the device. Depth is usually the smallest dimension of the device 12.8 mm
DimensionsAll dimensions are maximal values (measured between the furthest points of the device) in closed state 2.07x3.75x0.50 inches
MassThe mass of the device including standard battery and stylus (if any and it can be inserted into the device) measured in grams 99 g
3.49 ouncesThe mass of the device including standard battery and stylus (if any and it can be inserted into the device) measured in ounces

Software EnvironmentSoftware Environment: 
PlatformThe family of the operating system like Android, iOS, Windows Phone/Mobile, Palm OS, etc.  Windows (mobile-class)Windows embedded for smartphones, PDAs, palmtops, tablets, rugged handhelds, automotive devices and other real-time and embedded applications
Operating SystemPre-installed (usually embedded) operating system which the device was released with. Microsoft Windows Mobile 6.1 ProfessionalMicrosoft Windows Mobile 6.1 Professional

Application processor, ChipsetApplication processor, Chipset: 
CPU ClockFrequency of the square signal which schedules the internal operation of microprocessor (synchronous sequential logic). The current consumed by the processor is approximately proportional to clock rate. 528 MHz
CPUManufacturer part number and most important characteristics of the IC which includes the main application processor or processors Qualcomm MSM7200A, 2007, 32 bit, single-core, 90 nmQualcomm MSM7200A, 2007, 32 bit, single-core, 90 nm

Operative MemoryOperative Memory: 
RAM TypeType of volatile memory IC which specifies RAM architecture, timing characteristics, refresh mode, voltage levels and physical design of the IC. Two major types of random-access memory is static RAM (SRAM) periodically refreshed dynamic RAM (DRAM).  LPDDR SDRAM
RAM Capacity (converted)RAM capacity in binary bytes (KiB: 1024 bytes, MiB: 1024 KiB, GiB: 1024 MiB) 128 MiB RAM

Non-volatile MemoryNon-volatile Memory: 
Non-volatile Memory InterfaceInterface (e.g. UFS 2.0, eMMC 5.1, moviNAND) which determines physical layer (width, clock rate, lanes, protocol) of data transfer between the application processor and the NV memory  Yes
Non-volatile Memory Capacity (converted)The value of ROM capacity converted to the most appropriate units (KiB: 1024 bytes, KB: 1000 bytes, MiB: 1024 KiB, MB: 1000 KB, GiB: 1024 MiB, GB: 1000 MB) 4 GB ROM

DisplayDisplayAll parameters that related to display
Display DiagonalThe distance measured between the furthest corners of the display. In case of display with rounded edges this refers to the diagonal of the smallest bounding rectangle. 71 mm
2.8 inchDisplay Diagonal in inches
ResolutionHorizontal and vertical resolution of the primary display. In case of display with rounded edges this refers to the smallest bounding rectangle. 480x640
Horizontal Full Bezel WidthDefined as the sum of width of left and right vertical display bezels. If the display panel is located in the middle width of left and right bezels are the same and their width is the half of the full bezel width. 9.9 mm
Display Area UtilizationRegular display area per regular front panel area ratio. This approximated indicator does not count with possible rounded corners (neither on front panel nor on display) or display notches, holes. 48.4%
Pixel DensityIndicates the number of pixels per inch 286 PPI
Display TypeDisplay technology, e.g. Color/ monochrome e-ink, STN, PM-OLED, AM-OLED, TN-TFT, IPS TFT, ASV TFT, MVA TFT, PVA TFT, PLS TFT  Color TN-TFT LCDColor TN-TFT (Twisted Nematic - Thin Film Transistor). This is an active matrix LCD technology. display
Number of Display ScalesMaximal number of displayable colors or scales 65536
Scratch Resistant ScreenUsual types: Gorilla Glass generations, DragonTrail/X, Sapphire Glass  No

Graphical SubsystemGraphical Subsystem: 
Graphical ControllerManufacturer and part number of the graphics controller IC or commercial name of the intellectual property (IP) if the graphics controller is the part of a chipset N/A

Audio/Video InterfacesAudio/Video Interfaces: 
A/V OutAudio/Video outputs form a heterogeneous group of interfaces that allow the user to connect the device to various external analog/digital multimedia devices (monitors, projectors, HD TVs) and play multimedia content. For example: MHL, DisplayPort, HDMI, e  No

Audio SubsystemAudio Subsystem: 
Microphone(s)Analog or digital sound receiver. Main applications: voice calls, active noise cancellation, voice command, voice/video recording, voice identification  mono
Loudspeaker(s):   mono
Audio Output:   mini-USB

Cellular PhoneCellular Phone: 
Supported Cellular BandsList of supported cellular networks with band names. For example GSM900 refers to the GSM system with the 890-915 MHz uplink and 935-960 downlink bands.  GSM900GSM900 phones support P-GSM (Primary GSM) 900 MHz (B8) band (downlink: 935.0 MHz - 960.0 MHz, uplink: 890.0 MHz - 915.0 MHz) and may support E-GSM (Extended GSM) 900 MHz band (downlink: 925.0 MHz - 960.0 MHz, uplink: 880.0 MHz- 915.0 MHz. , GSM1800GSM1800 phones support GSM / DCS / PCS 1800 MHz (B3) band (downlink: 1805.2 - 1879.8 MHz, uplink: 1710.2 - 1784.8 MHz). , GSM1900GSM1900 phones support PCS 1900 MHz (B2) band (downlink: 1930.2 - 1989.8 MHz, uplink: 1850.2 - 1909.8 MHz) , UMTS1900 (B2)UMTS1900 phones support UMTS 1900MHz (PCS, also refferred as UMTS Band II) band (downlink: 1932.4 - 1987.6 MHz, uplink: 1852.4-1907.6 MHz) , UMTS850 (B5)UMTS850 phones support UMTS 850 MHz (CLR, also refferred as UMTS Band V) band (downlink: 871.4 - 891.6 MHz, uplink: 826.4 - 846.6 MHz) bands
Supported Cellular Data LinksList of supported cellular data links and rates.  CSDCircuit Switched Data (CSD) is the original data link protocol of GSM. Up to 9600bit/s download speed , GPRSGeneral Packet Radio Service , GPRS C10 , EDGEEnhanced Data Rates for GSM Evolution also known as Enhanced GPRS (EGPRS) , EDGE MSC10 , UMTSUniversal Mobile Telecommunications System. UMTS Release '99 data link layer, W-CDMA grants up to 384 kbit/s pocket-switched download speed. , HSUPAHigh-Speed Uplink Packet Access is a 3.5G UMTS uplink protocol. , HSDPAHigh-Speed Downlink Packet Access is a 3.5G UMTS downlink protocol. data links
SIM Card SlotSupported Subscriber Identification Card (SIM) Format like mini-SIM, micro-SIM, nano-SIM, embedded SIM, etc.  Mini-SIM (2FF)
Complementary Phone ServicesPossible extras: voice transmission, voice speaker, vibration, speakerphone, active noise cancellation, PTT, HD Voice, VoLTE, etc.  Voice transmissionDevice is able to receive and transmit voice over cellular network , Voice speakerDedicated voice speaker is located near to the ear when talking and optimized for the spectrum and peak-to-peak range of the human voice. , Vibrate , Speakerphone

Secondary Cellular PhoneSecondary Cellular Phone: 
Sec. Supported Cellular Networks:   No

Control PeripheralsControl Peripherals: 
Touchscreen TypeDetermines how the touchscreen module senses the touch of the screen  Resistive screen
Directional PadA four-way mechanism that allows the selection of certain on-screen objects  5-way

Communication InterfacesCommunication Interfaces: 
Expansion InterfacesNon-volatile memory and/or I/O expansion interfaces. For example: microSD, microSDXC, SDHC, CF II., PCMCIA III., etc.  No
USBFirst or the only USB port. USB is a common high-speed serial bus standard that allows data and power transfer between the mobile device and another computer. Version of USB identifies USB standard.  USB 2.0Released in April 2000, USB 2.0 specification introduced USB Hi-Speed enabling devices to communicate at 480 Mbit/s data rate.
USB FS (12 Mbps)Determines the highest available data transfer speed of first USB port. Usual standard speed levels: High-Speed (HS), Super-Speed (SS)
USB ServicesPossible services: USB power supply, USB charging, USB fast charging, USB host, OTG, etc.  USB chargingThe device is able to charge its battery supplied from the USB port.
USB ConnectorPhysical USB connector layout. Most common types: micro-USB, USB A, USB Type-C or proprietary (e.g. Lightning)  USB Mini-B (mini-USB)
BluetoothIEEE 802.15 is a short-range radio technology standard that allows transfer of data, and the use of accessories such as wireless audio devices and printers. This field specifies the supported BT version.  Bluetooth 2.0 + EDR
Wireless LANWireless LAN / WLAN / Wi-Fi: 802.11 defines a medium-range wireless data link that allows for internet access and data transfer. This field enumerates the supported protocols (e.g. 802.11a/b/g/n).  802.11b2.4 GHz (ISM band), max. 11 Mbit/s , 802.11g2.4 GHz (ISM band), max. 54 Mbit/s

Multimedia BroadcastMultimedia Broadcast: 
FM Radio ReceiverWith a bulit-in FM radio the device is able to receive FM (frequency modulated) broadcast in 79 - 108 MHz band.  No


Satellite NavigationSatellite Navigation: 
Complementary Satellite ServicesPossible extras: S-GPS, A-GPS, Geotagging, TMC, QuickGPS, QZSS, etc.  A-GPS , Geotagging

Primary Camera SystemPrimary Camera SystemPrimary camera usually has better imaging capabilities than secondary camera if any
Camera PlacementRefers to the placement of the primary camera on the device. Front, rear or rotatable. Generally rear.  Rear
Camera Image SensorRefers to the semiconductor technology of image sensor (FSI CMOS, BSI CMOS, etc.)  CMOSComplementary MOS circuit
Number of effective pixelsA measurement of the maximum pixel number at which the camera can take a picture, often referred to as Megapixels (when horizontal and vertical measurements are multiplied) 3.1 MP camera
ZoomA feature that changes the focal length of the lens of a camera. Optical zoom requires the lens to move in and out, providing high-quality close ups from a distance 1.0 x optical zoom
FocusCD AF, PD AF, Laser AF, etc. No / Not supported means there is no adjustable optical system or no camera built-in at all  CD AFContrast-detection (CD) is a passive autofocus method without distance measurement which adjusts the optical system until maximum contrast is measured through the lens.
Video RecordingA measurement of the maximum horizontal and vertical pixel numbers at which the primary camera can capture video 320x240 pixel
15 fpsRecording frame rate when recording video at maximum resolution
FlashA flash is used to brighten dark areas when taking photographs; is also used as a flashlight. This field contains the exact type of the flash.  No
Aux. Camera Image SensorAuxiliary camera image sensor technology in at least dual lens setup  No
Aux. 2 Camera Image SensorAuxiliary 2 camera image sensor technology in at least triple lens setup  No
Aux. 3 Camera Image SensorAuxiliary 3 camera image sensor technology in at least quad lens setup  No
Aux. 4 Camera Image SensorAuxiliary 4 camera image sensor technology in at least penta lens setup  No

Secondary Camera SystemSecondary Camera SystemWidely used for video telephony or taking selfies
Secondary Camera PlacementRefers to the placement of the secondary camera on the device. Front or rear. Generally front camera for selfies or video call.  Front
Secondary Camera SensorRefers to the semiconductor technology of sec camera image sensor (FSI CMOS, BSI CMOS, etc.)  CMOSComplementary MOS circuit
Secondary Camera Number of pixelsA measurement of the maximum pixel number at which the sec. camera can take a picture, often referred to as Megapixels (when horizontal and vertical measurements are multiplied) 0.3 MP sec. cam
Secondary Video RecordingA measurement of the maximum horizontal and vertical pixel numbers at which the secondary camera can capture video 176x144 pixel
Sec. Aux. Cam. Image SensorImage sensor technology of sec. auxiliary camera in at least dual lens secondary camera setup  No

Built-in SensorsBuilt-in Sensors: 
Built-in accelerometerAn internal component that senses acceleration components of the device. Used for automatic screen rotation and for games and applications that rely on acceleration measurement on X, Y, and Z axis. Possible types: 1D, 2D, 3D  Yes

Ingress ProtectionIngress Protection: 
Protection from solid materialsIngress Protection Standards. IP First digit: Protection from solid objects or materials  Yes
Protection from liquidsIngress Protection Standards. IP Second digit: Protection from liquids  Yes

Power SupplyPower Supply: 
BatteryBattery technology  Li-ion
removablePossible options: removable, built-in
1-cellIn case of high power consumption it is more efficient to connect more than 1 cells in the battery in series to minimize current thus loss.
Nominal Battery CapacityIf there are more than 1 cells in the battery in parellel connection the nominal resulting battery capacity is the sum of capacity of cells 920 mAh battery

Geographical AttributesGeographical Attributes: 

Datasheet AttributesDatasheet Attributes: 
Data IntegrityData integrity level determines the integrity of the published information. Final datasheets are not intended to be modified in the future, preliminary ones can be based on unofficial information or speculations, incomplete ones are also preliminary b  Preliminary
AddedThe exact time of the datasheet addition 2009-06-04 16:57
 

Garmin-Asus nuvifone M20 4GB NA

Garmin-Asus nuvifone M20 4GB NA
Platform: windows Supported Cellular Bands: gsm Supported Cellular Data Links: gprs Supported Cellular Data Links: edge Supported Cellular Data Links: umts Supported Cellular Data Links: hspa Complementary Phone Services: phone Complementary Phone Services: vibration Complementary Phone Services: speakerphone Bluetooth Wireless LAN Complementary Satellite Services Number of effective pixels: 3.1 MP camera Aux. Camera Number of Pixels : 0.0 MP aux. cam Secondary Camera Number of pixels: 0.3 MP sec. cam Built-in accelerometer

High Resolution Photos

garmin-asus nuvifone m20 black
garmin-asus nuvifone m20 blue
garmin-asus nuvifone m20 phones
garmin-asus nuvifone m20 yellow

See also

Garmin-Asus nuvifone M10 NA
Garmin-Asus nuvifone M10 NA
58x116x14 mm, Microsoft Windows Mobile 6.5.3 Professional (Maldives), Qualcomm MSM7227, 512 MiB RAM, 512 MiB ROM, 3.5 inch, 480x800, 4.9 MP camera, 0.3 MP sec. cam, 1500 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Garmin-Asus nuvifone A10
Garmin-Asus nuvifone A10
Google Android 1.6 (Donut), Qualcomm MSM7227, 512 MiB RAM, 512 MiB ROM, 3.2 inch, 320x480, 4.9 MP camera, 1500 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

T-Mobile Garminfone A50
T-Mobile Garminfone A50
62.5x116x12.5 mm, Google Android 1.6 (Donut), Qualcomm MSM7227, 256 MiB RAM, 256 MiB ROM, 3.5 inch, 320x480, 3.1 MP camera, 1150 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Garmin-Asus nuvifone A50
Garmin-Asus nuvifone A50
62.5x116x12.5 mm, Google Android 1.6 (Donut), Qualcomm MSM7227, 256 MiB RAM, 256 MiB ROM, 3.5 inch, 320x480, 3.1 MP camera, 1150 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Garmin-Asus nuvifone M10
Garmin-Asus nuvifone M10
58x116x14 mm, Microsoft Windows Mobile 6.5.3 Professional (Maldives), Qualcomm MSM7227, 512 MiB RAM, 512 MiB ROM, 3.5 inch, 480x800, 4.9 MP camera, 0.3 MP sec. cam, 1500 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Garmin-Asus nuvifone G60 (Asus Calf)
Garmin-Asus nuvifone G60 (Asus Calf)
58.1x112x14.6 mm, Garmin Linux, 128 MiB RAM, 4 GB ROM, 3.5 inch, 272x480, 3.1 MP camera, 1200 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Garmin-Asus nuvifone M20 4GB
Garmin-Asus nuvifone M20 4GB
52.5x95.3x12.8 mm, Microsoft Windows Mobile 6.1 Professional, Qualcomm MSM7200A, 128 MiB RAM, 4 GB ROM, 2.8 inch, 480x640, 3.1 MP camera, 0.3 MP sec. cam, 920 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

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