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IntroductionIntroduction: 

BrandBrand name of the device. This may match with the manufacturer O2
ModelOne or more (separated by /) specific model name identifies this device. This field may include model code too. XDA Stellar
ReleasedFirst official market release date in (year, month) 2007 Nov
Hardware DesignerThe company which designed this device HTC
ManufacturerThe company which produces this device HTC
CodenameThe codename internally identified the design project of this product HTC Kaiser 120
OEM IDThe OEM ID is internal code and refers to a specific variant of the model series KAIS120
Device CategorySmartphone, tablet, smart watch, PDA, palmtop, etc.  SmartphoneCallular voice-capable usually touchscreen mobile computer which natively runs third-party apps.
List of Additional FeaturesComma separated list of low priority special features which are not included in other fields HTC TouchFLO

Physical AttributesPhysical Attributes: 

WidthWidth is horizontally measured between the left and right edges of device according to the default display orientation 59 mm
2.32 inchWidth measured in inches
HeightHeight is vertically measured between the bottom and top edges of device according to the default display orientation 112 mm
4.41 inchHeight measured in inches
DepthDepth refers to the thickness of the device. Depth is usually the smallest dimension of the device 18.65 mm
0.73 inchesDepth measured in inches
Bounding VolumeThe volume of the smallest cuboid which can bound the device in cubecentimetres 123.2 ccm
MassThe mass of the device including standard battery and stylus (if any and it can be inserted into the device) measured in grams 190 g
6.7 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 Professional (Crossbow)Microsoft Windows Mobile 6 Professional (Crossbow)
AKU 0.4.4Subversion, update version, user interface, defualt language, etc.
Operating System Kernel VersionThe OS kernel is the primary component of an operating system which manages hardware and software resources, schedules tasks and threads and provides interface for the upper software layers (system calls, interrupts, APIs, etc.) 5.2.1622 Build 18128.0.4.4
Software ExtrasNavigation software, voice recognition, face recognition, personal assistant app, etc.  Voice Command

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. 400 MHz
CPUManufacturer part number and most important characteristics of the IC which includes the main application processor or processors Qualcomm MSM7200, 2006, 32 bit, single-core, 90 nmQualcomm MSM7200, 2006, 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).  SDRAM
RAM CapacityCapacity of the random access memory in mebibytes (binary megabytes) 128 MiB RAM
101.38 MiB user accessible RAMRAM space that unprotected system and user tasks can access

Non-volatile MemoryNon-volatile Memory: 
Non-volatile Memory TypeType of NV memory IC which determines storage technology, programming / erasing method and write endurance  Flash EEPROM
Non-volatile Memory CapacityPrimary non-volatile memory in mebibytes (binary megabytes). 2GB = 1907.3MiB, 4GB = 3814.7MiB, 8GB = 7629.4MiB, 16GB = 15258.8MiB, 32GB = 30517.6MiB, 64GB = 61035.2MiB, 128GB = 122070.3MiB, 256GB = 244140.6MiB, 512GB = 488281.3MiB, 1024GB = 976562.5MiB 256 MiB non-volatile
135.41 MiB free user storageUser-accessible partition of non-volatile storage space

DisplayDisplayAll parameters that related to display

ResolutionHorizontal and vertical resolution of the primary display. In case of display with rounded edges this refers to the smallest bounding rectangle. 240x320
76800 pixelsThe total number of pixels is the product of horizontal and vertical number of pixels
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. 70 mm
2.8 inchDisplay Diagonal in inches
Display WidthThe distance between the vertical edges of the display (horizontal display size). In case of display with rounded edges this refers to the smallest bounding rectangle. 42 mm
1.65 inchDisplay width in inches
Display HeightThe distance between the horizontal edges of the display (vertical Display Size). In case of display with rounded edges this refers to the smallest bounding rectangle. 56 mm
2.2 inchDisplay height in inches
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. 17 mm
Display AreaCalculated display area is the product of max. horizontal and vertical display sizes. In case of display with rounded edges or notch this refers to the smallest display bounding rectangle. 2352 square millimeter
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. 35.6%
Pixel SizeCalculated pixel size based on display diagonal, resolution and aspect ratio 0.175 mm/pixel
Pixel DensityIndicates the number of pixels per inch 145 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
Display Color DepthColor depth defines how many colors or greyscales can be displayed 16 bit/pixel
Number of Display ScalesMaximal number of displayable colors or scales 65536
Display IlluminationForm of illumination used for lighting or backlighting LCD display in dark and dim ambient condtions.  Yes
Display Light Reflection ModeThe ratio between reflected and transmitted light depends on reflection mode thus display technology. Possible options: transflective, reflective, transmissive, etc.  transmissiveThis type of LCDs has low reflectance factor. A transmissive LCD transmits (does not use) the most of the incident ambient so needs backlighting in any light conditions. A transmissive LCD is fairly readable in bright sunlight.
Display Subpixel SchemeSpecifies how and how many subpixels are pixels consists of. Usual schemes: RGB, RGBG, RGBW, PenTile, Diamond Pixel  RGB Matrix (3 subpixels)Each pixel has 3 subpixel (Red, Greed, Blue) with the same size. The subpixel order is often R-G-B but B-G-R is also used.
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: 

Audio Channel(s)Number of independent channels supported by the audio subsystem of the device, e.g.: mono, stereo, 5.1, 7.1, etc.  stereo

Sound Recording: 
A/D Converter Nominal ResolutionThe resulution (Q) of the analog/digital converter which converts the analog voltage signal of the built-in microphone or microphone input to a series of Q-wide binary samples 16 bit quantization
A/D Sampling FrequencyThe maximum sampling frequency of the analog/digital converter 44100 Hz
Microphone(s)Analog or digital sound receiver. Main applications: voice calls, active noise cancellation, voice command, voice/video recording, voice identification  mono

Sound Playing: 
D/A Converter Nominal ResolutionThe resulution (R) of the digital/analog converter which converts a series of R-wide binary samples to the analog voltage signal of the built-in speaker or audio out   16 bit quantization
D/A Holding FrequencyThe maximum holding frequency of the digital/analog converter 44100 Hz
Loudpeaker(s):   mono
Audio Output:   Proprietary

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.  GSM 850MHz (B5)GSM850 phones support GSM 850 MHz (B5) band (downlink: 869.2 MHz - 894.2 MHz, uplink: 824.2 MHz - 849.2 MHz) , GSM 900MHz (B8)GSM900 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. , GSM 1800MHz (B3)GSM1800 phones support GSM / DCS / PCS 1800 MHz (B3) band (downlink: 1805.2 - 1879.8 MHz, uplink: 1710.2 - 1784.8 MHz). , GSM 1900MHz (PCS, B2)GSM1900 phones support PCS 1900 MHz (B2) band (downlink: 1930.2 - 1989.8 MHz, uplink: 1850.2 - 1909.8 MHz) , UMTS 2100MHz (Band I, IMT)UMTS2100 phones support UMTS 1900 / 2100MHz (IMT, also refferred as UMTS Band I) band (downlink: 2112.4 - 2167.6 MHz, uplink: 1922.4-1977.6 MHz) , UMTS 1900MHz (Band II, PCS)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) , UMTS 850MHz (Band V, CLR)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.  CSD 9.6 kbpsCircuit Switched Data (CSD) is the original data link protocol of GSM. Up to 9600bit/s download speed , GPRS (Class unspecified)General Packet Radio Service , GPRS Class 10 , EDGE (Class unspecified)Enhanced Data Rates for GSM Evolution also known as Enhanced GPRS (EGPRS) , UMTS 384 kbps (W-CDMA)Universal Mobile Telecommunications System. UMTS Release '99 data link layer, W-CDMA grants up to 384 kbit/s pocket-switched download speed. , HSDPA (Cat. unspecified)High-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)
Cellular AntennaPhysical antenna layout. Most common type: internal. Historic types: fixed external, pull-out, open-out  Internal antenna
Call Alert SoundPolyphonic or monophonic call alert sound (number of chords) 40-chord melody
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. , Vibrating Alert , Speakerphone
Cellular ControllerManufacturer part number of the cellular modem and controller IC or commercial name of the intellectual property (IP) if the function is the part of a chipset Qualcomm MSM7200 (QDSP4000, QDSP5000)

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 touch sensing screen
Touchscreen Simultaneous Touch PointsDetermines how many touches the touch-sensitive screen module is able to simultaneously detect  Single-touch
KeyboardConventional input peripheral which allows the user to enter characters by pressing a dedicated key  Slide-out/tilt QWERTYSlide-out and tilt QWERTY-type keyboard
Keyboard BacklightPhones and some palmtops, netbooks, notebooks, rugged computers have keyboard backlighting to help the user with typing in dim ambient conditions  Aut. keyboard backlight (upon press of key/low light)Automatic keyboard backlight (upon press of any key) with ambient light intensity sensor
Number of keysThe total number of keys in case of QWERTY or other standard keyboards OR the number of keys excluding navigation buttons in case of special keybaords 41
Directional PadA four-way mechanism that allows the selection of certain on-screen objects  Four-way (with action button)-way
Scroll WheelScroll Wheel, jog and rotary machanisms to help user with scrolling on the screen  Pressable non-rotary scroll wheel


Communication InterfacesCommunication Interfaces: 

Expansion InterfacesNon-volatile memory and/or I/O expansion interfaces. For example: microSD, microSDXC, SDHC, CF II., PCMCIA III., etc.  Secure Digital Input/Output interfaceSupports peripheral devices inserted into SD card slot. , TransFlash , microSDSupports memory cards with capacity of up to 2GB and may comply with some (not HC) memory cards with higher capacity than 2GB  , microSDHCA micro-SDHC-capable device supports High Capacity (SD 2.0/HC) memory cards with capacity of up to 32GB.
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 Full-Speed (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 Series 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
Internal antenna
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).  IEEE 802.11b , IEEE 802.11g
Internal antenna

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: 

Supported GPS protocol(s)Possible protocols: NMEA 0183, SIRF, etc.  GPS (NMEA 0183)NMEA 0183
Parallel GPS ChannelsNumber of parallel GPS channels defines how many satellites the device can monitor at to same time 20
GPS Antenna:   Internal antenna
Complementary GPS ServicesPossible extras: S-GPS, A-GPS, Geotagging, TMC, QuickGPS, QZSS, etc.  Assisted GPS
Navigation ControllerManufacturer part number of the GNSS (GPS, GLONASS, Galileo and/or BDS) controller IC or commercial name of the intellectual property (IP) if the controller is the part of a chipset Qualcomm MSM7200 gpsOne

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
Camera ResolutionA measurement of the maximum horizontal and vertical pixel numbers at which the camera can take a picture 2048x1536 pixel
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  Contrast Detection Autofocus (CD AF)Contrast-detection (CD) is a passive autofocus method without distance measurement which adjusts the optical system until maximum contrast is measured through the lens.
Recordable Image FormatsSupported file formats while capturing photos by primary camera  BMP , JPG
Video RecordingA measurement of the maximum horizontal and vertical pixel numbers at which the primary camera can capture video 352x288 pixel
30 fpsRecording frame rate when recording video at maximum resolution
Recordable Video FormatsSupported file formats while capturing videos  3GP , MPEG4 , MJPG
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

Auxilliary Camera: 
Aux. Camera Image SensorAuxiliary camera image sensor technology in at least dual lens setup  No

Auxilliary Camera No. 2: 
Aux. 2 Camera Image SensorAuxiliary 2 camera image sensor technology in at least triple lens setup  No

Auxilliary Camera No. 3: 
Aux. 3 Camera Image SensorAuxiliary 3 camera image sensor technology in at least quad lens setup  No

Auxilliary Camera No. 4: 
Aux.4 Camera Image SensorAuxiliary 4 camera image sensor technology in at least penta lens setup  No
Aux. 4 Camera FocusFocusing method of the fourth auxilliary camera  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 ResolutionA measurement of the maximum horizontal and vertical pixel numbers at which the secondary camera can take a picture 640x480 pixel
Secondary 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 2nd camera
Secondary Recordable Image FormatsSupported file formats while capturing photos by secondary camera  BMP , JPG
Secondary Video RecordingA measurement of the maximum horizontal and vertical pixel numbers at which the secondary camera can capture video 352x288 pixel
Secondary Recordable Video FormatsSupported file formats while capturing videos by the secondary camera  3GP , MPEG4 , MJPG

Secondary Auxilliary Camera: 
Sec. Aux. Cam. Image SensorImage sensor technology of sec. auxiliary camera in at least dual lens secondary camera setup  No

Secondary Auxilliary Camera No. 2: 
Sec. Aux. 2 Cam. Image SensorImage sensor technology of sec. auxiliary 2 camera in at least triple 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  No

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  Lithium-ion polymer (LiPo)
removablePossible options: removable, built-in
Nominal Battery CapacityThe nominal mAh capacity of the battery 1350 mAh battery
Number of battery cellsIn 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. 1
Estimated Average CurrentEstimated Average Current is derived from battery life and battery capacity. This current is consumed while the device is used in the following state: screen backlight on (mid-level), phone (if any) on, no phone calls, no multimedia, continuous user input 123 mA
Estimated Battery LifeEstimated always-on battery life of the device in case of common usage conditions 11 hours

Geographical AttributesGeographical Attributes: 

Market CountriesCountries where the device was officially sold. Overlap is possible.  UKUnited Kingdom (UK)
Market RegionsRegions where the device was officially sold.  Overlap is possible.  Europe , Western Europe
Mobile OperatorList of mobile operators (carriers) or distributors which sold the device in their own network O2 United KingdomO2 United Kingdom

Datasheet AttributesDatasheet Attributes: 

Related Page URL
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  Final
AddedThe exact time of the datasheet addition 2007-11-13 22:50
 
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