
丨 Product Introduction
AK713G is an advanced device designed specifically for high-precision positioning needs, suitable for multiple fields such as surveying, unmanned aerial vehicles, agricultural automation, and intelligent transportation. Its outstanding performance and reliability can provide users with centimeter level positioning accuracy, meeting the stringent requirements of industrial applications.
1. High data output: up to 20Hz data output, suitable for high-speed mobile drone positioning, ensuring continuous and stable trajectory tracking.
2. Anti interference: Effectively resist electronic device interference, strengthen electromagnetic compatibility design, and ensure stable and accurate positioning data.
3. Compatibility: Fully compatible with automatic flight control systems such as Pixhawk and APM, facilitating integration across multiple flight platforms.
丨Specification parameters
|
Chip
characteristics
|
chip
|
UM980
|
|
working frequency
|
BDS: B1I B2I B3I B1C B2a B2b
GPS: L1 C/A L1C L2P (Y) L2C L5
GLONASS: L1 L2
Galileo: E1 E5a E5b E6
QZSS: L1 L2 L5 L6
|
|
Receiving channel
|
1408 channel
|
|
Accuracy
|
Single point positioning (RMS)
|
Plane: 1.5m
|
|
Elevation: 2.5m
|
|
DGPS(RMS)
|
Plane: 0.4m
|
|
Elevation: 0.8m
|
|
RTK(RMS)
|
Flat: 0.8cm+1ppm
|
|
Elevation: 1.5cm+1ppm
|
|
Observation accuracy (RMS)
|
BDS
|
GPS
|
GLONASS
|
Galileo
|
|
B1I/B1C/L1C/L1 C/A/E1/G1 pseudorange
|
10cm
|
10cm
|
10cm
|
10cm
|
|
B1I/B1C/L1C/L1 C/A/E1/G1 Carrier Phase
|
1mm
|
1mm
|
1mm
|
1mm
|
|
B3I/L2P(Y)/L2C/G2 pseudorange
|
10cm
|
10cm
|
10cm
|
10cm
|
|
B3I/L2P(Y)/L2C/G2
Carrier Phase
|
1mm
|
1mm
|
1mm
|
1mm
|
|
B2I/B2a/ B2b/L5/E5a/E5b pseudorange
|
10cm
|
10cm
|
10cm
|
10cm
|
|
B2I/B2a/ B2b/L5/E5a/E5b Carrier Phase
|
1mm
|
1mm
|
1mm
|
1mm
|
|
Time accuracy (RMS)
|
10 ns
|
|
Speed accuracy (RMS)
|
0.03 m/s
|
|
Start Time
|
cold boot
|
<10s
|
|
Initialization time
|
<5s (typical value)
|
|
Initialize reliability
|
>99.9%
|
|
Output data
|
Baud rate
|
115200bps (default) [Optional: 4800-921600]
|
|
Output interface
|
TTL
|
|
Output Protocol
|
NMEA0183、RTCM 3.3
|
|
update frequency
|
1Hz-20Hz (default 1Hz)
|
|
Differential
data
|
Differential data
|
RTCM 3.3/3.2/3.1/3.0
|
|
Carrier phase output
|
Support, output RAWX statement
|
|
FLASH
|
built-in
|
|
Electrical
specifications
|
working voltage
|
3~5.5V DC
|
|
power waste
|
<800mW @3.3V
|
|
Physical
parameters
|
size
|
Standard version:φ42*31.2mm Upgraded version:φ44*40.6mm
|
|
weight
|
Standard version: 13.2g Upgraded version: 21g
|
|
Connector
|
GH1.25mm 8pin
|
|
Environment
|
working temperature
|
-35℃-80℃
|
|
Storage temperature
|
-40℃-95℃
|
丨product mix
Standard version:
Upgraded version:
Table 1 PIN Function
|
NO.
|
Signal Name
|
Signal Description
|
|
1
|
VCC
|
Main power input, +3.3V to 5V
|
|
2
|
GND
|
Module ground
|
|
3
|
TX1
|
UART1 output, 3.3V TTL
|
|
4
|
RX1
|
UART1 input, 3.3V TTL
|
|
5
|
TX2
|
UART2 output, 3.3V TTL
|
|
6
|
RX2
|
UART2 input, 3.3V TTL
|
|
7
|
PPS
|
Pulse Per Second output for time synchronization
|
|
8
|
EVENT
|
Module external terminal output (default off)
|
Applicable scenarios:

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Packaging and Delivery:

Product Overview
The AK713G is a high-performance system-wide RTK GNSS module based on the UM980 series, designed to provide real-time centimeter-level positioning for drones, automotive navigation, surveying, and other fields. The module supports both rover and base station operation modes, utilizing carrier phase differential technology to achieve high-precision positioning, with static accuracy up to 1cm and dynamic accuracy up to 2cm, and an output frequency of 1–20Hz.
High-Frequency RTK Engine with Multi-System Support
Supports combined RTK calculation for BeiDou, GPS, GLONASS, and Galileo systems, providing fast and reliable initialization capabilities to meet the positioning demands of high-speed moving scenarios.
Strong Anti-Interference for Challenging Environments
Features industrial-grade low-noise RF circuitry and a quadrifilar helix antenna design, offering strong anti-interference and multipath suppression to maintain stable signal performance in harsh electromagnetic and complex terrain environments.
High Compatibility and Easy Integration
Fully compatible with mainstream flight control systems such as Pixhawk and APM, supporting multiple communication protocols and data formats for easy integration into various unmanned platforms.
Product Advantages
High Precision and Reliability
Based on the UM980 platform, delivers RTK horizontal accuracy of 0.8cm+1ppm and vertical accuracy of 1.5cm+1ppm, with initialization reliability >99.9%.
Multi-Band and Multi-System Support
Supports multi-frequency signals including BDS B1/B2/B3, GPS L1/L2/L5, GLONASS L1/L2, and Galileo E1/E5/E6, enhancing positioning stability.
Compact and Low-Power Design
Compact size (Φ42*31.2mm), lightweight (13.2g), operating voltage 3–5.5V, and power consumption below 800mW, suitable for embedded and mobile devices.
Flexible Application Modes
Supports high-precision positioning solutions for short, medium, and long distances, as well as base station-free operation. Can be paired with data transmission modules or 4G networks to adapt to various application scenarios.
Looking for a cost-effective high-precision positioning solution for your project?
The AK713G offers stable, accurate, and easy-to-integrate RTK positioning support. Contact us for more technical information and integration support.
About Us
DALANG is a dedicated manufacturer of high-performance GNSS modules and RTK positioning solutions, serving industries such as UAV navigation, precision agriculture, and geospatial mapping. With a clear focus on accuracy, reliability, and integration flexibility, we support both standard and custom applications across global markets. Our product lines are engineered to meet the evolving demands of real-time positioning with support for multiple GNSS constellations, including GPS, GLONASS, BDS, and Galileo.
Our production facility spans 2,500㎡ and includes advanced SMT lines, in-house R&D labs, and full functional testing for every unit shipped. With a team of 30+ GNSS engineers, we design and manufacture over 200,000 GNSS receivers and modules annually. Certified to ISO9001:2015, and compliant with CE and RoHS standards, we follow a strict quality assurance process from prototyping through mass production. We also provide firmware updates, system integration support, and full lifecycle product documentation.
Trusted by partners in over 30 countries, DALANG delivers fast, scalable manufacturing with personalized technical support. Our streamlined collaboration model—covering inquiry, consultation, prototyping, and delivery—ensures efficiency from first contact to deployment. Whether you're sourcing off-the-shelf GNSS hardware or launching a customized solution, DALANG is your dependable partner for accurate, cost-effective positioning systems.
FAQ
1. Who are we?
We are DALANG, a specialized manufacturer of GNSS modules and RTK positioning systems based in China, with a focus on high-precision solutions for UAVs, surveying, and smart agriculture.
2. How can we guarantee quality?
All products undergo strict multi-stage quality control, including SMT production, functional testing, and 100% final inspection. We are ISO9001:2015 certified and follow international compliance standards such as CE and RoHS.
3. What can you buy from us?
You can purchase GNSS receivers, RTK modules, base stations, antennas, flight control positioning systems, and other GNSS-related components and accessories.
4. Why should you buy from us not from other suppliers?
We combine strong in-house R&D, flexible OEM/ODM support, industrial-grade quality assurance, and fast global delivery. Our expertise in GNSS RTK ensures stable, accurate, and scalable solutions tailored to your specific use case.
5. What services can we provide?
We offer OEM/ODM customization, technical consulting, firmware support, prototyping, and global after-sales service. Our team works closely with international clients to ensure efficient communication and long-term support.