丨 Product Introduction
1. Multi arm spiral: Multi arm spiral design, efficient right-handed circular polarization, optimized signal reception, stable phase center, and improved positioning accuracy.
2. Gain characteristics: high gain with small gain roll off, good reception of low elevation signals, strong signal stability and coverage.
3. Low noise amplification: The amplifier is exquisite, with strong external suppression, reducing noise, increasing signal, resisting interference, and facilitating weak signal reception.
4. Portable and easy to use: compact and lightweight, easy to carry and install, suitable for mobile and rapid deployment scenarios.
丨 Specification parameters
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Specifications
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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
|
|
2
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Antenna specifications
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GPS, BDS，GLONASS,GALILEO，QZSS
|
|
3
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Frequency rang
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1176-1278/1559-1612MHz
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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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At elevation angle 90 degrees: ≤3, at elevation angle 15 degrees: ≤5
|
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6
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Gain
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At an elevation angle of 90 degrees: ≥6, at an elevation angle of 20 degrees: ≥0 plane
|
|
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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2.0
|
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3
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In-band flatness
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±2dB
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4
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Noise Figure
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＜2.0
|
|
5
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DC Voltage
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3.3~16V
|
|
6
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Current
|
＜35 mA
|
|
Mechanical
structure
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1
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Component name
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SPEC
|
|
2
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Antenna
|
Four arm spiral
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|
3
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Installation method
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Through connector
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|
4
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Antenna dimensions
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Φ62.1*25mm
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|
5
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Product weight
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25.4g
|
|
6
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interface
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SMA-J / IPEX / MCX / MMCX (Customizable)
|
|
7
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Line type
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RG316 / RG174 / RG178 / RG1.13(Customizable)
|
|
8
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Line length
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15cm / 25cm(Customizable)
|
|
Environmental characteristics
|
1
|
Operating temperature
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-40℃~+85℃, 10%~95% RH
|
|
2
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Storage temperature
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-55℃~+100℃, 10%~95% RH
|
|
3
|
Vibration
|
Sine sweep @1.5mmAM
10~55Hz each Axis
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Packaging and Delivery：
Multi-Band High-Precision GNSS Antenna — DALANG AK161
The DALANG AK161 is a high-performance multi-system GNSS antenna featuring multi-feed point and quad-arm coupling technology. It supports BeiDou, GPS, GLONASS, and Galileo systems, capable of receiving L1, L2, and L5 multi-band signals. Equipped with a built-in low-noise amplifier, it effectively enhances signal quality and anti-interference performance, making it suitable for high-precision applications such as surveying, precision agriculture, and vehicle navigation.
Multi-System and Multi-Band for Comprehensive Signal Reception
The antenna supports multiple systems including BeiDou, GPS, GLONASS, and Galileo, covering operating frequency bands of 1176-1278MHz and 1559-1612MHz, offering excellent signal compatibility and reception capability.
High Gain with Low Gain Roll-Off for Low-Elevation Environments
The antenna features high gain characteristics while maintaining good gain performance even at low elevation angles, making it suitable for stable signal reception in obstructed environments.
Low-Noise High-Gain Amplifier for Enhanced Weak Signal Reception
The built-in low-noise amplifier, combined with excellent out-of-band suppression, effectively reduces background noise and enhances weak signal reception performance, suitable for high-interference environments.
Compact and Lightweight for Easy Installation
With dimensions of Φ62.1×25mm and a weight of only 25.4g, the antenna is compact and lightweight. It supports a standard SMA-J interface for easy integration and rapid deployment.
Key Features
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Supports BeiDou/GPS/GLONASS/Galileo multi-systems
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Receives L1/L2/L5 multi-band signals
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High gain, suitable for low-elevation reception
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Low-noise amplifier for enhanced signal quality
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Compact structure for easy installation
If you are selecting a high-performance antenna for surveying equipment, agricultural navigation, or vehicle systems, the DALANG AK161 provides stable and reliable multi-system, multi-band 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.
