丨 Product Introduction
1. High precision: Multi feed point design optimizes the performance of right-handed circular polarization and phase center, reducing measurement errors.
2. Strong reception: The antenna unit has high gain and small gain roll off, suitable for low elevation satellite signal reception.
3. Good matching: Reactive network path suppression technology reduces the interference of multipath signals on measurement accuracy.
4. Environment suitability: With superior design, it can also receive signals well in complex occlusion environments.
丨 Specification parameters
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Ⅱ. Specification
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Antenna
Characteristics
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1
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Operating Frequency
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GPS: L1, L2, L5
BDS: B1I, B2I, B3I, B2a, B2b
GLONASS: L1, L2, L3
Galileo: E1, E5b, E5a, E6
QZSS: L1, L2, L5, L6
IRNSS: L5
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2
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Antenna Specifications
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GPS, Bei Dou，GLONASS,GALILEO,QZSS
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3
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Frequency Range
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1197-1278/1559-1612MHz
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4
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V.S.W. R
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≤2.0
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5
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Axial Ratio
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Elevation angle 90 degrees: ≤3
Elevation angle 15 degrees: ≤5
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6
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Gain
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Elevation angle 90 degrees: ≥6
Elevation angle 20 degrees: ≥0 (plane)
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7
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Front to back power
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±60 degrees: ≥15dB
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8
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Phase Center (mm)
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<2
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9
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Impendence
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50Ω
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10
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Polarization
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RHCP
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LNA
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1
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LNA GAIN
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38±2dB
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2
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V.S.W. R
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＜2
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3
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Noise Figure
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＜1.5
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4
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DC Voltage
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3.3~18V
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5
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Current
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25~40mA
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Mechanical
Structure
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1
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Antenna size
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100*100*22mm
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2
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Product weight
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140.6g
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3
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interface
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IPEX / SMA / MCX / MMCX (customizable)
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4
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Line type
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RG1.13 / RG178 (customizable)
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5
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Line length
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15cm /25cm(customizable)
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Environmental Characteristics
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1
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Operating Temperature
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-40℃~+85℃, 10%~95% RH
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2
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Storage Temperature
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-55℃~+100℃, 10%~95% RH
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3
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Vibration
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Sine sweep @1.5mmAM
10~55Hz each Axis
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丨 product mix
Packaging and Delivery：
The Professional Choice for High-Precision Surveying — DALANG AK626 Professional Surveying GNSS Antenna
The DALANG AK626 is a GNSS antenna specifically designed for high-precision surveying applications. It supports multiple satellite systems including BeiDou, GPS, GLONASS, and Galileo. Featuring a multi-feed point design that significantly enhances signal stability and phase center performance, it is an ideal signal reception solution for high-precision positioning tasks such as dam monitoring, geodetic surveying, marine surveying, and precision agriculture.
Delivering Reliable Signals in Complex Surveying Environments
With excellent anti-multipath capability and high-gain characteristics, the AK626 consistently outputs stable and reliable satellite signals even in challenging environments like built-up areas, forests, or dynamic monitoring sites, ensuring the accuracy and continuity of measurement data.
Built for Integration into Professional Surveying Systems
The antenna features a standard interface and a rugged structural design, allowing for easy integration into various professional surveying receivers and monitoring systems. It is a reliable front-end component for survey engineers and system integrators to achieve centimeter or even millimeter-level positioning accuracy.
Outstanding Performance in Demanding Monitoring Tasks
Thanks to its wide operating temperature range and excellent resistance to vibration and moisture, the AK626 is capable of long-term outdoor deployment and continuous monitoring, performing exceptionally well in fields with extremely high reliability requirements such as deformation monitoring and geological hazard warning.
Product Advantages
Multi-System & Multi-Band Support for High-Precision Solutions
Comprehensively supports major satellite navigation systems and multiple frequency bands including L1, L2, and L5, providing rich, high-quality raw observation data for high-precision RTK/PPK solutions.
Stable Phase Center for Reduced Measurement Errors
Meticulous multi-feed point design and optimization ensure highly stable antenna phase center, effectively minimizing measurement errors—an essential feature for professional-grade surveying applications.
Strong Anti-Multipath Interference for Purer Data
Utilizes advanced anti-multipath technology to significantly suppress reflected signal interference, obtaining cleaner observations even in complex scenarios like urban canyons and areas near water.
Industrial-Grade Protection for Long-Term Outdoor Use
Features IP-rated protection and wide-temperature characteristics with a robust structure, specifically designed for harsh outdoor environments and long-term continuous operation, ensuring all-weather system reliability.
Looking for a professional-grade antenna for your surveying project, monitoring system, or high-precision agricultural application? Choose the DALANG AK626 Professional Surveying GNSS Antenna to guarantee the professionalism and reliability of your measurement results right from the signal source.
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.
