i80 represents the pinnacle of productivity on today’s jobsite. Leading technology with superior capabilities, i80 is able to track all GNSS constellations: GPS, GLONASS, Galileo, BDS, QZSS and SBAS.

Key Features
● 220 channels multi-constellation receiver
● 128 × 64 dpi sunlight readable LCD panel
● 3.75G network modem
● Internal TRx UHF
● Built-in Bluetooth and WiFi communication
● RTK data forwarding
● Dual hot-swappable batteries
● 32 GB internal memory

Incorporated with dual hot-swappable batteries, i80 is capable of working continuously without interruption and considered the smartest GNSS receiver in the market. Integrated 3.75G network modem, Rx/Tx UHF module, E-bubble, Bluetooth and WiFi connectivity provide a seamless solution in the field. High-resolution LCD panel also exploits new method for surveyors to check the working states of a receiver. All these features integrated into a small but ruggedized package can help to achieve the most productive day of surveying possible.

CHC continues to build on its reputation for reliability. i80 is constructed of cast magnesium chassis with double sealed gaskets, protected connectors, and vibration dampened internal parts. This contributes to the outstanding field survivability of IP67, the ability to resist 2 m pole fall onto concrete and high vibration environment.


The i70+, the next generation of smart receivers selected by surveyors and other users for its outstanding performance and reliability.
Hardware Description
The i70+ leverages the latest GNSS technology by integrating 555 channels with field software dedicated to topographic and construction surveying.

i70+’s small rugged, ergonomic design with integrated sensors (4G network modem, UHF radio, WIFI, Bluetooth and Ebubble), a high-resolution display and dual hot-swappable batteries makes it a continuous uninterrupted workhorse for tough challenging environments. High resolution LCD panel also exploits new method for surveyors to check receiver working states. All these features integrated into a small, ergonomic package allows the most productive day of a surveyor.
Core Technology
555 Channels Multi-constellation
High-precision tracking of GPS/GLONASS/Galileo/BeiDou/SBAS.

L-Band PPP
Compatible with L-Band, i70+ can can work either as a base or rover without any limitation in remote regions where the cell tower and GNSS base are not easily accessible.

Internal 4G Network Modem
Provides hotspot that allows the controller to access the Internet without the use of a SIM.

Full-range RTK UHF
i70+ operates between UHF frequencies 410 MHz - 470 MHz with up tp 5 km radio range.

Rugged Body Design
Rugged durable design meets MIL-STD-810G (Method 514.7) and highest environmental standards for water and dust and can survive a 2 m drop test onto concrete.

M6 GNSS receiver is a new-generation high-end GNSS network receiver designed for RTK field survey.

Key Features
● High end network rover solution
● 3.75G network modem
● Built-in Bluetooth and WiFi communication 
● 220 channels multi-constellation receiver
● 32 GB internal memory
Integrated with powerful GNSS engine, M6  performs top-level GNSS satellite tracking and positioning capacity. GPS, GLONASS, Galileo and BDS supports M6 seamless working in every corner around the world.

Various modules provide the most professional and convenient solution in network RTK mode. Bluetooth and WiFi modules enable an easy and quick access in the field even with your smartphone for setting or data download. Internal 3.75G network modem offers not only general NTRIP service but also CHC APIS method like traditional RTK with one base and one rover to cover no NTRIP service region.

Compatible with field data collection software running on Android OS, M6 is the best choice for a future-proof GNSS receiver, offering you more options at present or in the future.

​​​​​​​X91+ GNSS is a compact GNSS receiver designed for high accuracy and productivity even in harsh environments.
​​​​​​​Key Features
● 220 channels multi-constellation receiver
● Compact and rugged design for demanding field
● Outstanding RTK initialization and centimeter level position accuracy
● Built-in network and UHF modem
● Optional TRx UHF
With the easy-to-use, efficient and intuitive workflow, compact and rugged structure, X91+ is designed for advanced network RTK survey and the perfect choice for demanding survey applications.

X91+ is fully integrated with GNSS engine, antenna, Bluetooth communication, UHF and network modem in one single unit makes your daily work simple.

By combining decades of positioning and surveying, X91+ GNSS is one of the most powerful GNSS RTK solutions, with no compromise to quality but at an affordable price for every surveyor.