丨 Product Introduction
1. High precision: Accurately receive satellite signals, achieve centimeter to millimeter level positioning accuracy, adapt to surveying, engineering surveying, etc.
2. Strong Reception: The antenna unit has high gain and small gain roll off, which is conducive to receiving low elevation satellite signals.
3. Adapt to complex environments: Superior design, good signal reception in obstructed environments.
4. Strong anti-interference ability: Specially designed to resist electromagnetic interference, stable operation in complex electromagnetic 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: 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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1165-1278/1559-1612MHz
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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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＜35 mA
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Mechanical
Structure
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1
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Component Name
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SPEC
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2
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Antenna Connector
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TNC / SMA
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3
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Antenna Dimensions
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Φ120*38mm
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4
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weight
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313.8g
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5
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PCB board
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FR4
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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：
High Precision GNSS Antenna for Driving SystemsThe DALANG AK628 GNSS antenna is engineered for accurate positioning in driver training, RTK vehicle testing, and Subject 2 driving simulation. Designed for use with UM982/980 modules, this high precision GNSS antenna ensures sub-meter accuracy under real-world conditions.Optimized for RTK Differential ApplicationsThis compact and reliable GNSS antenna is built for stable signal reception in RTK differential systems. Whether used in autonomous driving modules or driving test platforms, it delivers consistent performance with industry-standard antenna module support and fast satellite acquisition.Anti-Jamming and Reliable Signal IntegrityThe AK628 features an anti jamming antenna design that filters out EMI and signal noise, keeping positioning stable even in complex urban or training environments. For test systems or development kits, this makes it an ideal GPS antenna for sale at a low total cost.Seamless Compatibility with UM982/UM980 ModulesPair the AK628 with DALANG’s UM982 or UM980 for high-precision, real-time performance. This GNSS antenna is fully tested and integrated with DALANG RTK systems, making it a high-efficiency antenna module for fleet testing, vehicle R&D, and autonomous driving validation.Product Advantages
High Precision GNSS Antenna for Test VehiclesEngineered for centimeter-level accuracy, this high precision GNSS antenna delivers dependable signal reception for driver training and vehicle tracking. It’s a trusted solution in systems requiring reliable GNSS antenna integration.Anti-Jamming Performance for Urban UseThe integrated anti jamming antenna technology shields against interference, providing clean GNSS signals in noise-heavy environments. Whether on a test course or public roads, this GNSS antenna maintains signal integrity.Compatible with DALANG UM982 and UM980This antenna module pairs perfectly with DALANG’s UM982/980 RTK modules, ensuring seamless installation and high-quality RTK correction support. It’s a smart, low-cost GPS antenna for sale optimized for DALANG RTK ecosystems.Robust Construction for Outdoor UseDesigned with rugged components and a weather-resistant shell, this GNSS antenna withstands the vibrations and conditions of driving test scenarios. A professional-grade antenna module built to last.Need affordable, field-tested accuracy for vehicle positioning? Order the DALANG AK628 GNSS antenna today and elevate your RTK-enabled driving systems with confidence.
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.
