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 low gain roll off, which is conducive to receiving satellite signals at low elevation angles.
3. Anti interference: Reactive network suppression technology improves impedance matching and reduces multipath signal interference.
4. Environment: Excellent design, capable of receiving signals well in complex environments with obstacles.
丨 Specification parameters
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II、Specifications
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Antenna
Characteristics
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1
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Operating Frequency
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GPS: L1C/A, L1C, L2P, L2C, L5
BDS-2: B1I, B21, B31
BDS-3: B1I, B31, B1C, B2a, B2b
GLONASS: G1, G2, G3
Galileo: E1, E5b, E5a, E5AltBoC, E6c
QZSS: L1C/A, L2C, L5, L1C
SBAS: L1C/A
IRNSS: L5
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2
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Antenna Specifications
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GPS, Bei Dou，GLONASS, Galileo
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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 90 degrees: ≤3, Elevation 15 degrees: ≤5
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6
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Gain
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Elevation 90 degrees: ≥6, Elevation 20 degrees: ≥0
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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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3.3~15V
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5
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Current
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25~35mA
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Mechanical
Structure
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1
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Antenna size
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Φ120*17.78mm
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2
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Product weight
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103.6g
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3
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joint
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MMCX / IPEX / MCX / SMA (Customizable)
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4
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Line type
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RG178 / RG1.13 (Customizable)
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5
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Line length
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150mm / 250mm(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：
Professional High-Precision GNSS Antenna — DALANG AK613
The DALANG AK613 is a professional-grade multi-system high-precision GNSS antenna that supports mainstream global navigation systems including GPS, GLONASS, BeiDou, and Galileo. It is suitable for professional scenarios with extremely high positioning accuracy requirements, such as geodetic surveying, marine surveying, precision agriculture, and driver training, maintaining stable and reliable signal reception even in complex environments.
High Precision and High Gain for Low-Elevation Environments
The antenna features excellent high-gain performance, maintaining good signal reception even at low elevation angles, enabling fast satellite locking and providing stable GNSS navigation signals.
Excellent Out-of-Band Suppression with Low-Noise Amplification
The built-in Low-Noise Amplifier (LNA) effectively suppresses out-of-band interference, reducing interference from other wireless communication systems and enhancing system reliability in complex electromagnetic environments.
Multi-Feed Point Design with Stable Phase Center
Utilizing a multi-feed point structure, the antenna achieves high consistency between the phase center and geometric center, effectively reducing the antenna's impact on measurement errors and supporting millimeter-level high-precision positioning.
Full-Spectrum Signal Support with Strong System Compatibility
Supports full-spectrum signals from the four major systems—GPS, GLONASS, BeiDou, and Galileo—covering multiple frequency bands such as L1, L2, and L5, meeting global high-precision positioning needs.
Strong Anti-Interference Capability for Harsh Environments
The antenna maintains stable performance under strong interference and harsh working conditions, making it suitable for various outdoor and industrial high-precision measurement tasks.
Key Features
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Supports multi-system full-band coverage: GPS/GLONASS/BeiDou/Galileo
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High gain, low noise, stable signal reception
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Stable phase center for millimeter-level positioning
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Strong anti-interference, suitable for complex electromagnetic environments
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Rugged structure for long-term outdoor operation
If you are equipping a surveying, agricultural monitoring, or high-precision navigation system with a professional-grade antenna, the DALANG AK613 provides reliable multi-system, high-precision signal reception 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.
