丨 Product Introduction
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Multi-Arm Helix Antenna: Featuring a multi-arm helix design, achieves efficient right-hand circular polarization, optimizes signal reception, stabilizes the phase center, and enhances positioning accuracy.
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Gain Characteristics: Offers high gain with minimal gain roll-off, excellent reception of low-elevation signals, and improved signal stability and coverage.
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Low-Noise Amplification: Equipped with a refined amplifier featuring strong external suppression, reduces noise, amplifies signals, resists interference, and facilitates reception of weak signals.
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Portable and Easy to Install: Compact and lightweight, highly portable and easy to install, suitable for mobile and rapid deployment scenarios.
丨 Specifications
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Specifications
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Electrical 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
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2
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Antenna Specifications
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GPS, BDS，GLONASS,GALILEO，QZSS
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3
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Frequency Range
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1170-1278/1559-1612MHz
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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 at 90 degrees: ≤ 3 dB, Elevation at 15 degrees: ≤ 5 dB
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6
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Gain
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Elevation at 90 degrees: ≥ 6 dB, Elevation at 20 degrees: ≥ 0 dB
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7
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Front to back Power
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±60 degrees: ≥ 15 dB
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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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11
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Out-of-Band Suppression
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1268+100MHZ≥50db,
1170-100MHZ≥50db，
1602+100MHZ≥50db,
1561-100MHZ ≥50db.
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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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＜2.0
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4
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DC Voltage
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3.3~12V
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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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Part Name
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SPEC
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2
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Antenna
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FPC
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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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Φ41*31mm
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5
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Product Weight
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15.4g
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6
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RF Output Interface
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MMCX(Customizable)
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7
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wire rod
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RG178(Customizable)
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8
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Line length
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150mm(Customizable)
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9
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Antenna Housing
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ABS+PC
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10
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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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Humidity
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Sine sweep @1.5mmAM 10~55Hz each Axis
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4
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Vibration Resistance
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95％ No-condensing
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丨 Product Structure
Packaging and Delivery：
Ultra-Compact High-Precision GNSS Antenna — DALANG AK711
The DALANG AK711 is an ultra-compact high-performance GNSS antenna featuring multi-feed point and optimized structural design. It supports BeiDou, GPS, GLONASS, and Galileo systems, capable of receiving L1, L2, and L5 multi-band signals. With a built-in low-noise amplifier and dual-stage filter system, it delivers excellent signal quality and anti-interference performance within a limited space, making it suitable for space-constrained high-precision applications such as UAVs, handheld devices, and vehicle navigation.
Ultra-Compact and Lightweight for Easy Integration
With dimensions of only Φ41×31mm and a weight of just 15.4g, the antenna utilizes an FPC structure and MMCX interface, with customizable cables and lengths, making it ideal for integration into size- and weight-sensitive devices.
Multi-System and Multi-Band for Comprehensive Reception
Supports multiple systems including BeiDou, GPS, GLONASS, and Galileo, with operating frequency bands covering 1170-1278MHz and 1559-1612MHz, offering excellent signal compatibility and reception stability.
High Gain with Low Gain Roll-Off for Complex Environments
The antenna features high gain characteristics while maintaining good reception performance even at low elevation angles, suitable for reliable positioning in obstructed environments such as urban areas and forests.
Low-Noise High-Gain Amplifier for Enhanced Signal Quality
The built-in low-noise amplifier, combined with good out-of-band suppression, effectively reduces noise interference and enhances weak signal reception capability, suitable for high-interference application scenarios.
Key Features
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Ultra-compact design, small size and light weight
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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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Built-in low-noise amplifier and filter
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Adaptable to complex electromagnetic environments with stable signal reception
If you are selecting a high-performance compact antenna for UAVs, handheld terminals, or vehicle equipment, the DALANG AK711 provides 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 consultation, firmware support, prototyping, and global after-sales service. Our team works closely with international clients to ensure efficient communication and long-term support.
