The ancients said: "Cangjie is practical and knows etiquette", because we do the work, so the product is practical, and we want to bring more benefits to users! With many years of technology and the accumulation of Zhonghaida culture, Zhongxingda's Huaxing brand, as one of Zhonghaida's main forces, always adheres to the principle of affordability and provides convenient and practical products to meet the multi-level needs of surveying and mapping users. Bringing users real benefits and practicality, and always proud of hard work! The launch of the Huaxing A10GNSSRTK system has truly filled the gap in high-end products of the Huaxing brand.
● Using a new design, higher quality, better performance, and lighter, it has changed the characteristics of previous imitations and gradually formed the self-form of the Huaxing system! The shell adopts universal nano environmental protection material, and the internal structure is compact and orderly. While strengthening and sturdy, the weight of the instrument is greatly reduced!
● Tianbao full constellation multi-system motherboard supports the current GPS, GLONASS, BDS three satellite systems and various satellite systems ready to run!
● Dual power supply design, automatic switching of a single 4400mA large-capacity battery, dual battery slot design, automatic switching use, no manual operation is required, to ensure you a high-intensity measurement one day, use without worries!
● Quick upgrade, easy to get U-disk import, upgrade between power on and off! Quick and easy, no need to wait!
● Large-capacity storage A10's 1G large-capacity memory meets the needs of large-capacity data storage in today's multi-system era.
● Advanced intelligent diagnosis technology The built-in intelligent fault self-diagnosis system of Huaxing A10GNSSRTK system, timely voice broadcast when abnormal problems are encountered. Whether it is a routine check before the initial test, or during the operation, through a quick operation, the unique voice system can broadcast whether the software and hardware are running normally, and truly know what is going on, so that it is in the best working state.
iHand20 smart handbook system configuration operating system: Android4.2 operating system processor: 1.5G, quad-core processor memory: 1GB RAM + 4GB ROM + 8GT-Flash memory card display: 3.7-inch highlight professional outdoor color touch screen Point capacitive touch GPS features support GPS and AGPS, 20-channel built-in high sensitivity anti-interference GPS antenna update rate: 1Hz
First positioning time: 30 seconds (typical)
Single-point positioning: 5 meters communication configuration with built-in Bluetooth (2.1 + 4.0), USB interface, WIFI support
Support WCDMA / HSDPA / EDGE / GPRS, dual card dual standby power performance Built-in 3.7V lithium battery, 6300 mAh can be easily removed, support online charging single battery can work continuously for 25 hours Application function Built-in 8 million pixel autofocus camera Built-in microphone with image tagging function, with voice tagging function Supporting 3.5mm audio jack Gravity sensor, electronic compass, barometer, distance sensor, light sensor, gyroscope Physical performance dimensions: 213mm × 89mm × 35mm
Weight: 520g (including battery)
Working temperature: -20 ℃ ～ + 55 ℃
Storage temperature: -30 ℃ ～ + 65 ℃
Dust and waterproof: IP68
Shock resistance: 1.2 meters free fall resistance * The above technical parameters are subject to actual products, subject to change without notice.
> Rich point and line stakeout function for construction stakeout, supplemented by graphical operation guidance, saving more costs for your project construction> Electrical direction finding, ranging, and angle calculation functions with convenient power transportation; comprehensive and practical highway surveying and setting , Middle and side pile measurement, vertical and cross section measurement functions> CORS application For CORS system applications, only one RTK mobile station can receive CORS differential signals for data acquisition, construction stakeout and all other operations> CORS Station HD -CORS incorporates Zhonghaida's mature station building technology for many years. It has the advantages of stable operation and long transmission distance. It is the preferred solution for urban continuous reference station systems.> One measurement of control measurement, multiple functions, and the dual-frequency static measurement accuracy of V30GNSSRTK meets any Control and measurement requirements, complete with mature professional data solution software, can help you complete a variety of high-precision control and measurement work> Data acquisition Handbook operation software designed for GIS system, flexible coding function, to meet your fast and efficient field data Acquisition needs> Ocean surveying and mapping authority marine surveying, marine mapping software and depth sounder Easily realize underwater topographic surveying work, completely change the traditional water surveying operation mode> Construction positioning (on the water)
In conjunction with Zhonghaida's marine construction positioning software, the V30GNSSRTK system can help you accurately complete marine engineering such as stone throwing, paving, piling, etc., and meet the special requirements of marine engineering. Technical parameters:
Measurement accuracy and reliability 
RTK positioning accuracy:
Plane: ± (8 + 1 × 10? 6D) mm
Elevation: ± (15 + 1 × 10? 6D) mm
Plane: ± (2.5 + 1 × 10? 6D) mm
Elevation: ± (5 + 1 × 10? 6D) mm
DGPS positioning accuracy: plane accuracy: ± 0.25m + 1ppm; elevation accuracy: ± 0.50m + 1ppm
SBAS positioning accuracy: 0.5m
Initialization time: <10 seconds Initialization reliability:> 99.99%
Receiver characteristic system kernel: the use of world-class multi-star system kernel channels: 220
BDS: B1, B2, B3
GPS: L1C / A, L1C, L2C, L2E, L5
GLONASS: L1C / A, L1P, L2C / A, L2P, L3
GALILEO: GIOVE-A and GIOVE-B, E1, E5A, E5B
SBAS: L1C / A, L5; QZSS, WAAS, MSAS, EAGAN
Panel: 3 panel keys: 1 power key, 2 function key indicators: 3 indicators: satellite indicator, communication indicator, power indicator integrated design: U disk file management. Industrial-grade design integrated machine with built-in SIM communication module.
Intelligent voice broadcast and function self-test Built-in radio Built-in transceiver One radio power: 0.5W / 1W / 2W Adjustable frequency band: 450MHz ~ 470MHz
Transmission rate: 19.2kbps / 9.6kbps Adjustable number of channels: 116 bands adjustable external radios Extra long distance external radios Power: 5W / 10W / 20W / 30W adjustable frequency bands: 450MHz ~ 470MHz
Transmission rate: 9.6kbps / 19.2kbps Adjustable number of channels: 116 frequency bands adjustable Network communication Built-in 3G network communication module WCDMA / HSDPA / EDGE / GPRS, optional telecommunication 3G
Port SIM card slot: 1 USB interface: 1 battery compartment: 2 Bluetooth: 1 RS-232 serial port: 2 DC power interfaces: 2 radio antenna interfaces: 1 physical characteristic size: 182mm × 96mm
Weight: 1.2Kg (excluding battery weight)
Material: The shell is made of universal nano environmental protection materials. Electrical parameters Battery capacity: 7.4V, 5000mAh × 2
Dual-battery design, uninterrupted battery working time: RTK: 16 hours, static: 24 hours 
External power supply: 6-28VDC, with over-discharge protection can be connected to external DC power, internal and external power supply automatically switch host power consumption: ≤3.5W
Environmental parameters Waterproof and dustproof: IP67, 2 meters underwater immersion Shock resistance: 3 meters natural drop Relative humidity: 100% non-condensing Working temperature: -45 ℃ ～ 65 ℃
Storage temperature: -55 ℃ ～ 85 ℃
Storage and recording Built-in storage: 1G solid-state memory, compatible with plug-in built-in SD card (maximum expandable 32G)
Data format: GNS
GNS data format differential format: CMR, RTCM2.X, RTCM3.0, RTCM3.2
Positioning output: 1Hz ~ 50Hz
Output format: Output format: ASCII: NMEA-0183, binary code Note:
 Measurement accuracy and reliability are affected by many factors, including satellite geometry, satellite number, observation time, satellite ephemeris, ionospheric conditions, and multipath.
 Battery working time is related to working environment, working temperature and battery life.