丨 Product Introduction
1. Dual-frequency (L1/L5) positioning: meets the positioning requirements of standard GNSS antennas and provides reliable location information.
2. Stacked antenna: a combination of doubly single fed antennas to enhance signal reception capability and stability.
3. High gain broadband: improves signal reception quality and coverage range.
4. Environmental compliance: Compliant with the RoHS directive, meets environmental standards, and is suitable for the global market.
丨 Specification parameters
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Ⅱ. Specification
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Electrical
Characteristics
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1
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Operating Frequency
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GPS: L1, L2
BDS: B1I, B2I
GLONASS: L1, L2
Galileo: E1, E5a
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2
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Impendence
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50Ω
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3
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Polarization
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RHCP
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4
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LNA GAIN @90°
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1.L1:25DB
2.L2:26DB
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5
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LNA Noise Figure @+25℃±5°TYP
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＜2.0
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6
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LNA VSWR
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2.0 MAX
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7
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DC Voltage
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3~5V
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8
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Current
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15~22Ma
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Bill of Materials
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1
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Dimensions
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25*25*10.8
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2
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Product Weight
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18.2g
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3
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Connector |
IPEX / SMA / MCX / MMCX(Customizable) |
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4
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Cable Material
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RG1.13 / RG178 Cable(Customizable)
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5
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Cable 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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Humidity
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40％~95％
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Packaging and Delivery：
Product Overview
The AK520-P is a high-performance GNSS active antenna designed with multi-layer ceramic technology, supporting multi-band signal reception including GPS L1/L2, BeiDou B1/B2, GLONASS L1/L2, and Galileo E1/E5a. Specifically designed for high-precision positioning systems, it is suitable for applications with stringent requirements for signal stability and accuracy, such as vehicle navigation, UAV positioning, and precision agriculture.
Multi-Layer Ceramic Structure for Stable and Reliable Signals
Utilizes a multi-layer ceramic stacked antenna design to enhance signal reception bandwidth and stability, maintaining high-precision positioning even in complex electromagnetic environments.
Multi-Band High-Precision Positioning
Supports multi-frequency signals from four major satellite systems, covering bands such as L1, L2, B1, B2, E1, and E5a, providing more comprehensive and reliable positioning data.
Compact Design for Easy Integration
Compact dimensions of 25×25×10.8mm, weight 18.2g, equipped with IPEX connector and RG1.13 micro cable, suitable for integration into various embedded and compact devices.
Product Advantages
High Gain and Low Noise
LNA gain reaches 25dB in the L1 band and 26dB in the L2 band, with a noise figure <2.0, effectively improving signal reception sensitivity.
Low Power Consumption Design
Operating voltage 3–5V, current only 15–22mA, achieving a balance between high performance and low power consumption in a compact size.
Strong Environmental Adaptability
Operating temperature range from -40℃ to +85℃, suitable for high humidity and vibration environments, meeting the needs of vehicle-mounted and outdoor applications.
Flexible Customization Options
Supports customization of connector, cable type, and length for easy adaptation to different system architectures.
Looking for a high-performance multi-band GNSS antenna for your vehicle, UAV, or agricultural equipment?
The AK520-P offers a signal-stable, easy-to-integrate, and environmentally adaptable antenna solution. Contact us for samples and technical documentation.
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.
