GNSS GPS 4G Module RTK Precision Positioning Ntrip Protocol External Module Flexible

丨 Product Introduction





AK985 is a 4G RTK positioning terminal device (with an external positioning module) that transmits RTK differential base station data to the positioning module through 4G network to achieve RTK accurate positioning. The terminal supports Ntrip communication protocol and supports network base station services such as Qianxun position, CORS station, and self built station. Adopting industry-leading 4G hardware solutions, with built-in 4G antennas, supporting the network standards of most domestic and European operators, and adopting a 5.5-36V wide power input design, it supports outputting 5V power to the positioning module.


characteristic:
1. Network module optimization: Industrial grade 4G network communication module is adopted.

2. Network positioning: Based on 4G network transmission of RTK differential base station data to achieve accurate positioning, supporting Ntrip communication protocol, adapting to network base station services such as Qianxun location, CORS station, and self built station.

3. Hardware solution: Adopting industry-leading 4G hardware solution, built-in 4G antenna, compatible with most domestic and European operator network standards.

4. Power supply design: It has a wide voltage input design of 5.5-36V and can also output 5V power to the positioning module.

5. Flexibility: The positioning module adopts an external module design, with flexible and convenient combination methods to adapt to different customer needs.





丨 Specification parameters







丨 product mix






                                           

                                                               Table 1 M8 Interface Definition

Status indication:

 

Note:   Slow flashing: on for 400ms, off for 800ms

flash mob: on 200ms, off 200ms

Packaging and Delivery：

Product Advantages

Innovative Design and Modular Integration

The system features a versatile external module design, enabling easy combination with a variety of positioning units to meet specific customer needs. With full LTE band coverage and built-in antennas, this 4g rtk module supports wide-ranging network compatibility. Its rugged ABS+PC housing protects against environmental factors, while the wide input voltage design ensures stable operation across diverse power setups. The inclusion of Bluetooth and extended temperature tolerance reflects a strong focus on durable, adaptable construction suited for professional applications requiring a rtk precision positioning module.

High-Performance Usability and Enhanced User Benefits

Users benefit from real-time centimeter-level positioning accuracy facilitated by stable 4G network communications and ntrip gnss module support. The module’s low power consumption and wide temperature compatibility offer reliable performance in challenging conditions. Bluetooth-enabled configuration improves ease of use without complex wiring. These performance advantages position the device as an accessible, high-value solution for operators seeking a dependable and precise gnss 4g terminal, whether for agriculture, drones, or surveying projects.

Use Scenarios

Drone Navigation and Autonomous Systems

In precision drone operations, this 4g rtk module serves as the pivotal component for accurate flight path guidance and autopilot navigation. Operating in outdoor environments often complicated by signal interference, the module receives real-time RTK differential corrections via 4G networks using the ntrip gnss module protocol. This ensures centimeter-level positioning essential for tasks such as crop monitoring or topographic mapping. Integration with flight control systems enhances data reliability, facilitating safer autonomous missions and improving the quality of aerial survey outputs.

Precision Agriculture and Field Mapping Enhancements

Farmers and agronomists utilize this rtk precision positioning module to execute site-specific crop management and accurate field boundary mapping. The module’s support for network base stations like Qianxun and CORS enables highly stable RTK correction reception in remote or rugged areas. Its compatibility with various GNSS satellite constellations and rugged design allow uninterrupted operation in diverse outdoor settings. By integrating this gnss 4g terminal into agricultural machinery or surveying devices, field tasks become more efficient, reducing input waste while maximizing yield through precise spatial data.

FAQ 

What types of applications is the AK985 4G RTK terminal suitable for?

Our 4G RTK module is ideal for precision tasks including drone navigation, smart agriculture, autonomous vehicles, and geospatial surveying. It delivers centimeter-level positioning through stable network transmission for reliable real-time accuracy in these demanding applications.

Can you customize the AK985 RTK precision positioning module for specific projects?

Yes, we offer OEM and ODM customization for the RTK precision positioning module to fit diverse project requirements. Our team collaborates closely with clients to ensure flexible module configurations and integration support tailored to your unique application.

How does the AK985 support connection with differential base stations?

Our device supports the Ntrip communication protocol, allowing it to receive RTK differential data from services like Qianxun Position, CORS, or private base stations via 4G network. This ensures precise and stable centimeter-level positioning in real time.

What quality assurance and after-sales support do you provide for the GNSS 4G terminal?

We apply strict multi-stage quality control processes meeting ISO9001:2015 standards, including SMT production and full functional testing. Additionally, we offer firmware updates, technical consulting, and global after-sales service to keep your GNSS 4G terminal performing optimally.