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US688 Dual SIM TD-LTE

US688 Dual SIM TD-LTE

from Uniscope
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Overview & Features

Brand
Uniscope
Model
US688 Dual SIM TD-LTE
Released
2015 Jun
Manufacturer
Qidong Uniscope Communication
Hardware Designer
Qidong Uniscope Communication
List of Additional Features
micro-SIM

Technical Specifications

Display

Pixel Size
0.12964 mm/pixel
Resolution
480x854
409920 pixels
Display Area
6889.1 square millimeter
Display Type
Color IPS TFT LCD
display
Display Width
62.23 mm
Pixel Density
196 PPI
Display Height
110.71 mm
Display Diagonal
127 mm
Display Color Depth
24 bit/pixel
Display Illumination
Yes
Display Subpixel Scheme
RGB Matrix (3 subpixels)
Display Area Utilization
66.9%
Number of Display Scales
16.8M
Scratch Resistant Screen
No
Horizontal Full Bezel Width
10.07 mm
Display Light Reflection Mode
Yes

Power Supply

Battery
Lithium-ion
Yes
1-cell
Nominal Battery Capacity
1800 mAh battery
Nominal Cell Capacity (1st cell)
1800 mAh cell

Sound Playing

Audio Output
3.5mm
Loudspeaker(s)
mono

Cellular Phone

SIM Card Slot
Micro-SIM (3FF)
Call Alert Sound
64-chord melody
Cellular Antenna
Internal antenna
Cellular Controller
Qualcomm MSM8909
Supported Cellular Bands
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
CDMA 800MHz (BC0, 850)
LTE 2100 MHz (Band 1)
LTE 1800 MHz (Band 3)
TD-LTE 2500 MHz (Band XLI)
bands
Complementary Phone Services
Voice transmission
Voice speaker
Vibrating Alert
Speakerphone
Supported Cellular Data Links
GPRS (Class unspecified)
EDGE (Class unspecified)
cdmaOne (IS-95)
CDMA2000 1xRTT (IS-2000)
CDMA2000 1xEV-DO Rel. 0
CDMA2000 1xEV-DO Revision A
LTE (Cat. unspecified)
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 compass
Yes
Additional sensors
Light intensity sensor
Proximity sensor
Built-in accelerometer
Yes

Operative Memory

RAM Type
mobile (LP) DDR2 SDRAM
533 MHz
RAM Capacity
512 MiB RAM

Ingress Protection

Protection from liquids
Yes
Protection from solid materials
Yes

Control Peripherals

Touchscreen Type
Capacitive multi-touch sensing
screen
Touchscreen Simultaneous Touch Points
Yes

Graphical Subsystem

Graphical Controller
Qualcomm Adreno 304
Dedicated Graphics Memory
0.09375 MiB

Non-volatile Memory

Non-volatile Memory Type
Flash EEPROM
Non-volatile Memory Capacity
3815 MiB
Non-volatile Memory Interface
eMMC 4.5

Physical Attributes

Depth
9.3 mm
Width
72.3 mm
Height
142.5 mm
Bounding Volume
95.8 ccm

Multimedia Broadcast

FM Radio Receiver
FM radio (88-108 MHz)
Proprietary headset as antenna

Satellite Navigation

GPS Antenna
Internal antenna
Navigation Controller
Qualcomm MSM8909
Supported GPS protocol(s)
GPS (NMEA 0183)
Complementary GPS Services
Assisted GPS
Geotagging
QuickGPS

Software Environment

Platform
Google Android
Operating System
Google Android 4.4.4 (KitKat)

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
single LED
Focus
Contrast Detection Autofocus (CD AF)
Video Recording
1920x1080 pixel
30 fps
Camera Placement
Rear
Camera Resolution
2592x1944 pixel
Camera Image Sensor
CMOS
Camera Extra Functions
Macro mode
Recordable Image Formats
JPG
Recordable Video Formats
3GP , 3G2 , MPEG4
Number of effective pixels
5.0 MP camera

Geographical Attributes

Mobile Operator
China Telecom Corporation Limited
Market Countries
China

Secondary Camera System

Secondary Camera Sensor
CMOS
Secondary Video Recording
640x480 pixel
30 fps
Secondary Camera Placement
Front
Secondary Camera Resolution
640x480 pixel
Secondary Camera Number of pixels
0.3 MP sec. cam
Secondary Recordable Image Formats
JPG
Secondary Recordable Video Formats
3GP

Communication Interfaces

USB
USB 2.0
USB Hi-Speed (480 Mbps)
Bluetooth
Bluetooth 4.0
Internal antenna
USB Services
USB charging
Wireless LAN
IEEE 802.11b
IEEE 802.11g
IEEE 802.11n
Internal antenna
USB Connector
USB Series Micro-B (Micro-USB)
Wireless Services
Wi-Fi Tethering
Bluetooth profiles
A2DP
AVRCP
Expansion Interfaces
TransFlash
microSD
microSDHC

Secondary Cellular Phone

Sec. SIM Card Slot
Yes
Internal antenna
Sec. Phone Controller IC
Qualcomm MSM8909
Dual Cellular Network Operation
Dual standby
Sec. Supported Cellular Networks
GSM 900MHz (B8)
GSM 1800MHz (B3)
GSM 1900MHz (PCS, B2)
Sec. Supported Cellular Data Links
GPRS (Class unspecified)
EDGE (Class unspecified)

Secondary Auxiliary Camera

Sec. Aux. Cam. Image Sensor
No

Application processor, Chipset

CPU
Qualcomm Snapdragon 210 MSM8909, 2014, 32 bit, quad-core, 28 nm, Qualcomm Adreno 304 GPU
CPU Clock
1100 MHz

Secondary Auxiliary Camera No. 2

Sec. Aux. 2 Cam. Image Sensor
No

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