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WellcoM A88 3G (Commtiva Z71) Detailed Tech Specs

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General AttributesGeneral Attributes: 

BrandBrand name of the device. This may match with the manufacturer WellcoM
ModelOne or more (separated by /) specific model name identifies this device A88 3G
ReleasedOfficial release date 2010 Mar
Hardware DesignerThe company which designed this device Commtiva
ManufacturerThe company which produces this device Commtiva
CodenameThe codename internally identified the design project of this device Commtiva Z71
Device CategorySmartphone, tablet, smart watch, PDA, palmtop, etc.  SmartphoneCallular voice-capable usually touchscreen mobile computer which natively runs third-party apps.
Market CountriesCountries where the device was officially sold. Overlap is possible.  Thailand
VendorMobile operators or distributors which sold the device in their own network Wellcom MobileWellcom Mobile

Physical AttributesPhysical Attributes: 

WidthWidth is horizontally measured between the left and right edges of device according to the default display orientation 56.8 mm
2.24 inches
HeightHeight is vertically measured between the bottom and top edges of device according to the default display orientation 114.9 mm
4.52 inches
DepthDepth refers to the thickness of the device. Depth is usually the smallest dimension of the device 12.6 mm
0.5 inches
Bounding VolumeThe volume of the smallest cuboid which can bound the device in cubecentimetres 82.2 ccm
MassThe mass of the device including standard battery and stylus (if any and it can be inserted into the device) measured in grams 114 g
4.02 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: 

Platform:   Android
Operating SystemPre-installed (usually embedded) operating system which the device was released with. Google Android 1.6 (Donut)Google Android 1.6 (Donut)
Operating System KernelThe 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.) 2.6.29

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. 600 MHz
CPUManufacturer part number and most important characteristics of the IC which includes the main application processor or processors Qualcomm MSM7227, 2009, 32 bit, single-core, 65 nm, Qualcomm Adreno 200 GPUQualcomm MSM7227, 2009, 32 bit, single-core, 65 nm, Qualcomm Adreno 200 GPU

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).  mobile (LP) DDR SDRAM
RAM CapacityCapacity of the random access memory in mebibytes (binary megabytes) 256 MiB RAM

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 CapacityCapacity of the primary non-volatile memory in mebibytes (binary megabytes)  512 MiB non-volatile


DisplayDisplayAll parameters that related to display

Display ResolutionHorizontal and vertical resolution of the primary display 320x480
153600 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 81 mm
3.2 inch
Display WidthThe distance between the vertical edges of the display (horizontal display size) 44.93 mm
1.77 inch
Display HeightThe distance between the horizontal edges of the display (vertical Display Size) 67.4 mm
2.65 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. 11.87 mm
Display AreaCalculated display area is the product of horizontal and vertical display sizes 3028.2 square millimeter
Display Area UtilizationDisplay area per front panel area ratio 46%
Pixel SizeCalculated pixel size based on display diagonal, resolution and aspect ratio 0.14041 mm/px
Pixel DensityIndicates the number of pixels per inch 181 PPI
Display TypePossible options: Color/ monochrome e-ink, STN, PM-OLED, AM-OLED, TN-TFT, IPS TFT, ASV TFT, MVA TFT, PVA TFT, PLS TFT, etc.  Color TN-TFT LCDColor TN-TFT (Twisted Nematic - Thin Film Transistor). This is an active matrix LCD technology.
Display Color DepthColor depth defines how many colors or greyscales can be displayed 18 bit/pixel
Number of Display ScalesMaximal number of displayable colors or scales 262144
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.  transflectiveTransflective LCD has medium reflectance factor. Hence it reflects and transmits the incident ambient light. It does not need backlighting and well readable in bright sunlight but can be backlit in dark ambient conditions without reducing readibility.
Display Subpixel SchemeSpecifies how and how many subpixels are pixels consists of. Possible schemes: RGB, RGBG, RGBW, PenTile, Diamond Pixel, etc.  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 ScreenPossible types: Gorilla Glass generations, DragonTrail/X, Sapphire Glass, etc.  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 Qualcomm Adreno 200

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: 
Microphone(s):   mono

Sound Playing: 
Loudpeaker(s):   mono
Audio Output:   3.5mm

Cellular PhoneCellular Phone: 

Supported Cellular NetworksList 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 850MHzGSM850 phones support GSM 850 MHz band (downlink: 869.2 MHz - 894.2 MHz, uplink: 824.2 MHz - 849.2 MHz) , GSM 900MHzGSM900 phones support P-GSM (Primary GSM) 900 MHz 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 1800MHzGSM1800 phones support GSM / DCS / PCS 1800 MHz band (downlink: 1805.2 - 1879.8 MHz, uplink: 1710.2 - 1784.8 MHz)., GSM 1900MHz (PCS)GSM1900 phones support PCS 1900 MHz 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)
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 12, EDGE (Class unspecified)Enhanced Data Rates for GSM Evolution also known as Enhanced GPRS (EGPRS), EDGE Multi-slot Class 12, 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., HSDPA 7.2 Mbps (Cat. 8)
SIM Card SlotSupported Subscriber Identification Card (SIM) Format like mini-SIM, micro-SIM, nano-SIM, embedded SIM, etc.  Mini-SIM (2FF)
Cellular AntennaInternal, fixed, pull-out, etc.  Internal antenna
Call Alert SoundPolyphonic or monophonic call alert sound (number of chords) 72-chord melody
Complementary Phone ServicesPossible extras: voice transmission, voice speaker, vibration, speakerphone, active noise cancellation, PTT, HD Voice, VoLTE, etc.  Speakerphone, Vibrating Alert, 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., Voice transmissionDevice is able to receive and transmit voice over cellular network
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 MSM7227

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  Capacitive multi-touch sensing
Touchscreen Simultaneous Touch PointsDetermines how many touches the touch-sensitive screen module is able to simultaneously detect  Yes
Scroll WheelScroll Wheel, jog and rotary machanisms to help user with scrolling on the screen  Trackball


Communication InterfacesCommunication Interfaces: 

Expansion InterfacesNon-volatile memory and/or I/O expansion interfaces. For example: microSD, microSDXC, SDHC, CF II., PCMCIA III., etc.  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.
USBUSB 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 Speed Rate:   USB Hi-Speed (480 Mbps)
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 Connector:   USB Series Micro-B (Micro-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 + Enhanced Data Rate
Internal antenna
Bluetooth profiles:   Advanced Audio Distribution Profile (A2DP)
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 (like 802.11n).  IEEE 802.11b, IEEE 802.11g
Internal antenna

Multimedia BroadcastMultimedia Broadcast: 

FM Radio Receiver:   FM radio (88-108 MHz) with RDSFM radio (87.5-108MHz) with RDS
Proprietary headset as antenna

Satellite NavigationSatellite Navigation: 

Supported GPS protocol(s)Possible protocols: NMEA 0183, SIRF, etc.  GPS (NMEA 0183)NMEA 0183
GPS Antenna:   Internal antenna
Complementary GPS ServicesPossible extras: S-GPS, A-GPS, Geotagging, TMC, QuickGPS, QZSS, etc.  Geotagging, 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 MSM7227 gpsOne

Built-in Digital CameraBuilt-in Digital CameraPrimary camera usually has better imaging capabilities than secondary camera if any

Camera PlacementRefers to the placement of the primary camera on the device  Rear
Camera Image SensorRefers to the semiconductor technology of image sensor  CMOSComplementary MOS circuit
ResolutionA measurement of the maximum size at which the camera can take a picture, often referred to as Megapixels (when horizontal and vertical measurements are multiplied) 2560x1920 pixel
Number of pixels 4.9 MP cam
Optical 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 x
FocusNo / Not supported means there is no adjustable optical system or no camera built-in at all  No
Recordable Image FormatsSupported file formats while capturing photos  JPG
Recordable Video FormatsSupported file formats while capturing videos  3GP, MPEG4
Built-in FlashA flash is used to brighten dark areas when taking photographs; is also used as a flashlight  single LEDAlso known as mobile light

Built-in Secondary Digital CameraBuilt-in Secondary Digital CameraWidely used for video telephony or taking selfies

Secondary Camera Sensor:   No

Power SupplyPower Supply: 

BatteryBattery technology  Lithium-ion
removablePossible options: removable, built-in
Nominal Battery Capacity 1230 mAh
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

Ingress Protection Ingress 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

Built-in SensorsBuilt-in Sensors: 

Additional sensorsBuilt-in ambient (barometer, temperature, altimeter, light, etc.), biometric (fingerprint, HR, step, etc.) and comfort (hall sensor, gesture sensor, proximity, etc.) sensors  Light intensity sensorBy measuring the intensity of the ambient light device may control the brightness level of the screen, Proximity sensorBased on this sensor signal device may control the volume of the voice speaker or dim the display during a call

Datasheet 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  Preliminary
AddedThe exact time of the datasheet addition 2011-06-18 09:49
 
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