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CHCNAV i73+ GNSS RTK Receiver
The CHCNAV i73+ is a compact GNSS RTK receiver with an integrated UHF modem, designed to work as either a base station or rover.
Its small form factor and 0.73 kg weight make the i73+ convenient for field teams that need a portable RTK solution. The built-in radio eliminates the need for a separate external UHF unit in compatible base and rover configurations.
The receiver uses 1408-channel GNSS technology and automatic pole tilt compensation. It can also be used as an NTRIP rover when connected to an RTK correction network through a compatible field controller.
RTKSurvey supplies the CHCNAV i73+ for surveying, mapping and construction applications.
Key Features
Built-In UHF Base and Rover
The integrated UHF transceiver allows the i73+ to operate in both base and rover configurations, providing a compact alternative to systems requiring separate radio equipment.
1408-Channel GNSS
The receiver tracks major GNSS constellations including GPS, GLONASS, Galileo, BeiDou, QZSS and SBAS.
Automatic Pole Tilt Compensation
The i73+ supports automatic tilt compensation and can maintain specified 3 cm accuracy with pole tilt up to 60° according to the current product information.
Lightweight 730 g Design
The magnesium alloy receiver weighs approximately 0.73 kg including the battery, making it convenient for intensive field surveying.
Long Rover Battery Life
The 6800 mAh battery provides up to 24 hours of RTK rover operation under the stated conditions.
Base and NTRIP Workflows
In addition to UHF base and rover operation, the i73+ can work as an NTRIP rover when connected to an RTK correction network through compatible CHCNAV field software.
Applications
The CHCNAV i73+ is suitable for:
Topographic surveying
Agricultural field mapping
Pipeline surveying
Construction surveying
Engineering surveying
Mapping
RTK base and rover operations
NTRIP surveying
Technical Specifications
GNSS and Positioning
GNSS: Full GNSS
Channels: 1408
IMU: 200 Hz
Maximum positioning precision: 0.8 cm H / 1.5 cm V
Tilt compensation: supported up to 60°
Communication
UHF modem: 410–470 MHz, Rx/Tx
Wireless: Bluetooth, Wi-Fi and NFC
Base and rover operation: supported
NTRIP rover: supported
Physical Specifications
Weight: 0.73 kg
Dimensions: 119 × 85 mm
Battery: 6800 mAh
RTK rover operating time: up to 24 hours
UHF RTK base operating time: up to 10.5 hours
Protection rating: IP67
Drop resistance: 2 m
Operating temperature: -40°C to +65°C
Why Choose the CHCNAV i73+?
The i73+ focuses on flexibility and portability. Its built-in UHF radio allows the same compact receiver platform to be used in base and rover workflows, while its low weight makes it practical for frequent field movement.
For survey teams looking for a straightforward RTK receiver with internal radio communication and long battery life, the i73+ offers a practical field configuration.
RTKSurvey supplies the CHCNAV i73+ for professional surveying and mapping projects.
Related Products
CHCNAV iBase GNSS RTK Base Station
CHCNAV i76 Visual GNSS RTK Receiver
