丨 Product Introduction
1. High precision: RTK mode achieves centimeter level positioning accuracy.
2. Multi frequency and multi satellite: Receive signals from multiple satellite systems and multiple frequency bands.
3. Strong anti-interference: Advanced technology can resist electromagnetic interference and other interferences.
4. Easy integration: Small size, easy to embed into various devices.
丨 Specification parameters
|
Chip
characteristics
|
chip
|
UBLOX-F9P
|
|
working frequency
|
BDS: B1 B2
GPS: L1 L2
GLONASS: G1 G2
GALILEO: E1 E5b
QZSS: L1 L2
|
|
Receiving channel
|
184 search channel
|
|
Sensitivity
|
track
|
-167 dBm
|
|
Re capture
|
-160 dBm
|
|
cold boot
|
-148 dBm
|
|
Hot start
|
-157 dBm
|
|
First positioning
time TTFF
|
cold boot
|
26s
|
|
Hot start
|
2s
|
|
Re capture
|
2s
|
|
Accuracy
|
RTK horizontal accuracy
|
0.01 m + 1 ppm CEP
|
|
RTK vertical accuracy
|
0.01 m + 1 ppm CEP
|
|
Single point horizontal accuracy
|
1.5m CEP
|
|
Single point vertical accuracy
|
1.5m CEP
|
|
Speed accuracy
|
0.05m/s
|
|
1PPS time accuracy
|
RMS 30ns
|
|
99% 60ns
|
|
Convergence time
|
Convergence time
|
≤10s
|
|
Output data
|
Baud rate
|
38400bps (default) [Optional: 4800-921600]
|
|
Output interface
|
TTL
|
|
Output Protocol
|
NMEA0183，RTCM 3.3，UBX
|
|
update frequency
|
Default 1Hz (0.25Hz-10Hz)
|
|
Carrier phase output
|
Support, output RAWX statement
|
|
FLASH
|
built-in
|
|
Working
conditions
|
height
|
＜50,000m
|
|
speed
|
500m/s
|
|
Gravitational acceleration
|
≤4g
|
|
Environment
|
working temperature
|
-35℃+80℃
|
|
Storage temperature
|
-40℃-+85℃
|
|
Electrical
specifications
|
working voltage
|
3.3V-5V DC
|
|
power waste
|
<150mW @3.3V
|
|
Physical
parameters
|
size
|
PCB length: 50 * 30 * 3.5mm
|
|
weight
|
9g
|
|
Connector
|
GH1.25mm 4pin*2
|
|
Antenna connector
|
SMA-J straight head (customizable)
|
Table 1 PIN Functionality
|
Pin Number
|
Signal Name
|
Signal Description
|
|
CON1
|
VCC
|
Com1 Main Power Input
|
|
GND
|
Com1 Module Ground
|
|
TXD 1
|
Main serial port (com1): outputs NMEA0183 when "rover," RTCM2.x/3.x when "base station."
|
|
RXD 1
|
Main serial port (com1) data reception for command input.
|
|
CON2
|
VCC
|
Com2 Main Power Input
|
|
GND
|
Com2 Module Ground
|
|
TXD 2
|
Com2 Output Interface
|
|
RXD 2
|
Differential serial port (com2) input: valid for "rover" mode, accepts RTCM2.x/3.x data.
|
Table 2 Interface Characteristics
|
Name
|
Symbol
|
Minimum Value
|
Typical Value
|
Maximum Value
|
Unit
|
|
Main Power
|
VCC
|
2.7
|
3.3
|
5.0
|
V
|
|
Backup Power
|
VBAT
|
1.4
|
3.3
|
3.6
|
V
|
|
RF Port Feed
|
VRF
|
3.0
|
3.1
|
3.3
|
V
|
|
High-Level Input
|
VIH
|
2.0
|
|
|
V
|
|
Low-Level Input
|
VIL
|
|
|
0.7
|
V
|
|
High-Level Output
|
VOH
|
3.2
|
|
|
V
|
|
Low-Level Output
|
VOL
|
|
|
0.1
|
V
|
|
Main Serial Port Baud Rate
|
Baud
|
|
38400
|
|
bps
|
|
Differential Baud Rate
|
Baud
|
|
38400
|
|
bps
|
Packaging and Delivery：
Centimeter-Level Multi-System Positioning Solution
The AK314 RTK board is a low-cost, low-power, high-performance positioning module offering centimeter-level accuracy. It can operate as a "rover" or "base station" using carrier phase differential technology for high-precision positioning. Supports RTCM data stream output and network RTK, with <1cm static accuracy, <5cm dynamic accuracy, and 1-10Hz output rate, delivering exceptional value.
Advanced Technology & Multi-System Support
Based on the UBLOX-F9P platform, it maintains stable positioning even in harsh environments. Supports multiple systems including BeiDou, GPS, Galileo, and GLONASS, with 184 search channels ensuring reliable reception.
High Precision & Fast Response
Features differential positioning and vector attitude measurement capabilities. 10Hz data output meets the requirements of high-speed applications like UAVs. 26-second cold start and 2-second hot start ensure quick response.
Flexible Configuration & Wide Compatibility
Can be configured as either base station or rover mode. Fully compatible with PIXHAWK and APM flight control systems. Compact design supports secondary development for various applications.
Product Advantages
Centimeter-Level Accuracy
RTK positioning accuracy reaches centimeter level
Multi-System Support
Compatible with BeiDou, GPS, Galileo, GLONASS and more
High Update Rate
10Hz data output suitable for dynamic applications
Fast Positioning
2-second hot start, 26-second cold start
Flexible Configuration
Supports base station/rover mode switching
Wide Compatibility
Fully compatible with mainstream flight controllers
Need cost-effective centimeter-level positioning? AK314 RTK board is your ideal solution
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.
