丨 Product IntroductionIt can simultaneously receive GPS and Beidou satellite signals, convert the radio signals emitted by satellites into electrical signals that can be processed by the receiver, and provide positioning, navigation, and timing functions for devices. It is widely used in fields such as car navigation, intelligent transportation, surveying, and handheld positioning devices.
characteristic:1. Dual system compatibility: Simultaneously receiving GPS and Beidou signals to enhance positioning reliability and accuracy.
2. High sensitivity: Built in LNA to enhance weak signal reception capability.
3. Strong anti-interference ability: Resist electromagnetic interference and ensure signal stability.
4. High gain: Enhance signal strength, accelerate positioning speed, and improve accuracy.
丨 Specification parameters
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Specification parameters
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Antenna characteristics
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1
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Antenna model
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GNSS antenna
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2
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Ceramic size
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25*25*4
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3
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Usage frequency
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GPS L1：1575.42±1.023MHz，
GLONASS L1:1602+0.5625*K(MHz)
BDS B1 1561±1.023MHz
GALILEO E1: 1575
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4
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Gain (70 * 70mm ground peak gain facing the zenith plane)
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5dBic
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5
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V.S.W.R
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≤1.5
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6
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-10dB bandwidth MHz minimum
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10min
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7
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impedance
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50Ω
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8
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Polarization mode
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RHCP
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9
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tcf
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20ppm/deg.℃ max
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LAN
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1
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parameter
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specifications
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2
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gain
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24±2dB
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3
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figure
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<1.5dB
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4
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VSWR
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<2.0
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5
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output vswr
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<2.0
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6
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voltage
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DC 3~5V
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7
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electric current
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3~6mA
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8
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impedance
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50Ω
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Physical parameters
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1
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size
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49.2*37.7*16mm
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2
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weight
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45g
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3
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Line length
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L=3m
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4
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Linear interface
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SMA
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5
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antenna
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ceramics
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6
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pcb
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FR4
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Environmental
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1
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work environment
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-40℃～+85℃, 10%～95% RH
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2
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Storage environment
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-55℃～+100℃, 10%～95% RH
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3
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vibrate
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Sine scan @ 1.5mm AM
10~55Hz per axis
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Packaging and Delivery：
DALANG AK201 High-Precision GNSS External Antenna
The DALANG AK201 is a multi-system GNSS external antenna designed for high-performance positioning requirements, offering comprehensive support for GPS L1, BDS B1, GLONASS L1, and Galileo E1 navigation bands. Featuring a 25×25×4mm ceramic antenna design and an 18±2dB high-gain low-noise amplifier, it provides a stable and reliable high-precision positioning solution for automotive navigation, drone positioning, and agricultural equipment.
Excellent Signal Reception Performance
With 3dBic antenna gain and <1.5dB noise figure, the AK201 maintains exceptional signal reception quality even in complex environments. The optimized RF front-end design ensures a voltage standing wave ratio ≤1.5, significantly improving signal transmission efficiency.
Wide Voltage Adaptation and Low Power Consumption
Supports 3-5V wide voltage input with operating current of only 3-6mA, meeting the low-power requirements of various mobile devices. The right-hand circular polarization design effectively suppresses multipath interference, ensuring positioning stability.
Industrial-Grade Protection and Easy Installation
Features a rugged housing with IPEX/SMA standard interfaces and 1.5-meter RG174 cable for convenient installation. Operating temperature range of -40℃ to +85℃ with excellent shock and moisture resistance, suitable for harsh outdoor environments.
Product Advantages
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Multi-System High-Precision Positioning
Comprehensive support for four major satellite navigation systems ensures stable and reliable high-precision positioning in any region
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Excellent Anti-Interference Capability
Optimized RF design and RHCP technology effectively suppress signal interference, improving positioning stability in complex environments
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Low Power Consumption and Wide Voltage Design
3-5V wide voltage range and milliampere-level power consumption meet the requirements for prolonged operation of automotive devices and mobile terminals
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Industrial-Grade Durability
Wide temperature design and shock-resistant structure ensure long-term stable operation in harsh environments
Need a high-performance GNSS antenna for your automotive navigation or mobile devices? DALANG AK201 meets your precise positioning requirements with exceptional performance!
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.
