Technical Specifications:

Qstar series model technical specifications:
Product Model Qstar8
1. System Configuration  
Operating System: Windows Mobile 6.5 OS
Processor: 806MHz high-speed CPU processor
Memory: 256MB RAM
8GB high-capacity flash memory
3.7-inch color touch screen, resolution 640×480
2. GNSS Performance    
High-precision dual-frequency GPS positioning technology
High Precision GPS + GLONASS Dual Satellite Positioning Technology
Support for China's BeiDou (COMPASS) System (optional)
Integrate SBAS (WAAS, EGNOS, MSAS)
Location Time: 30 seconds (typical)
Update Rate: 1Hz, supports higher options
3. Positioning Accuracy
Single-point Positioning: 2 meters
SBAS: 1 meter
Reference site differential: 2 cm
Hi-PPP Technology: 10 cm
Static Measurement: 5mm ± 1ppm
4. Application Features
Integrated 3G Communication Module
5-megapixel high-resolution camera
Microphone, Speaker
Integrated high-precision gravity sensor (G-sensor)
Integrated Laser Aligner (Option)
Electronic Compass: Precision± 1~5 Degrees (Options)
9 keys, with a 4-way navigation key and a camera key
5. Data Communication
Bluetooth
Interface: Mini USB Port
WIFI: 802.11b/g Wireless Local Area Network
Storage: Micro SD card slot, up to 32GB
6. Power Performance  
8800mAh rechargeable lithium-ion battery, supports online charging
A single battery can operate continuously for over 12 hours.
Pull-out battery compartment for easy battery replacement
7. Physical Properties  
Dimensions: 236mm x 105mm x 62mm
Weight: 835g
Operating Temperature: -30℃ to +70℃
Storage Temperature: -40℃ to +80℃
Dustproof and Waterproof: IP67
Vibration Resistance: Full solid design, withstands a 1.5-meter free fall