丨 Product Introduction
1. The antenna LNA has excellent out of band suppression performance, which can suppress useless electromagnetic wave signals and reduce the risk of system lock failure.
2. Multi feed point design to achieve the coincidence of phase center and geometric center, reducing measurement errors.
3. Strong anti-interference ability and adaptability to harsh working environments.
4. Stable phase center ensures millimeter level positioning accuracy.
丨 Specification parameters
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Ⅱ. Specification
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Electrical
Characteristics
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1
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Frequency Range
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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
L-BAND
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2
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Output Standing Wave
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≤2.0
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3
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Antenna Axial Ratio
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≤3dB
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4
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Maximum Gain
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5.5dBi
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5
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Phase Center
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±2mm
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6
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Impedance
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50Ω
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|
7
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Polarization Mode
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RHCP
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LNA
Specifications
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1
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LNA
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L1:38±2dB
L2:38±2dB
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2
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VSWR
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≤2.0
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3
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Noise Figure
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≤1.8dB
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4
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In-band Flatness
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1dB
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5
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Operating Voltage
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3.3～12V
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|
6
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Operating Current
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≤45 mA
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|
7
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Differential Transmission Delay
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≤5ns
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|
Structural Characteristics
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1
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Antenna Size
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Φ159*61mm
|
|
2
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Weight
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≤380g
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|
3
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Connector Type
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TNC
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4
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Thread Specification
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Unified National Coarse (UNC) 5/8''×11 (Imperial)
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|
5
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Mounting Method
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centering rod mounting
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|
Environmental Conditions
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1
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Operating Temperature
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-40℃～+85℃
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|
2
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Storage Temperature
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-55℃～+85℃
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|
3
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Humidity
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95% non-condensing
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Packaging and Delivery：
Engineered for RTK-Based High-Precision ApplicationsThe DALANG mushroom head GNSS antenna is built for high-precision tasks like UAV mapping, driving test evaluation, and geological monitoring. Supporting GPS, GLONASS, BDS, and Galileo, this high precision GNSS antenna offers stable satellite tracking in mission-critical environments.Multi-Frequency RTK Reception with Broad CompatibilityDesigned for real-time kinematic (RTK) applications, this antenna module supports multi-frequency reception to boost signal reliability and positioning accuracy. Whether deployed in UAVs or mobile land platforms, this GNSS antenna delivers consistent RTK-level precision.Mushroom Head Form for Enhanced Signal StabilityThe dome-shaped design provides wide-angle reception and excellent anti-multipath performance. This makes it a reliable anti jamming antenna that maintains high-quality signal lock in obstructed or complex terrains—ideal for mapping, surveying, or training field scenarios.Built for Harsh Environments & Long-Term Field UseConstructed with weather-resistant materials, this GPS antenna for sale is suitable for outdoor deployment across various terrain types. From geological projects to precision navigation systems, it functions reliably even in rugged, high-vibration conditions.Product Advantages
Multi-Frequency Compatibility for Enhanced AccuracyThis high precision GNSS antenna supports four-constellation signal input across multiple frequencies, offering unmatched coverage and performance. Perfect for developers or integrators needing a professional-grade GNSS antenna for RTK workflows.Rugged Anti Jamming Antenna for Real-World UseEquipped with shielding and filtering technology, this anti jamming antenna resists EMI and signal degradation in industrial and natural environments. A reliable option for those seeking a durable GNSS antenna for mobile deployments.Optimized Dome Design for Stable Signal LockThe mushroom-head structure ensures optimal signal gain and angle range. Whether mounted on a vehicle or a UAV, this antenna module provides consistently strong reception—critical for RTK and mapping tasks.Easy Deployment with Compatible GPS SystemsIt pairs effortlessly with industry-standard receivers, making it one of the most versatile GPS antenna for sale options. From precision agriculture to geological mapping, integration is quick and reliable.Ready to improve RTK performance in the field? Order the DALANG mushroom GNSS antenna now and achieve industrial-grade precision across UAV, surveying, and vehicle systems.
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
What makes your GNSS antennas suitable for harsh outdoor environments?
Our GNSS antenna features rugged, weather-resistant construction, operating reliably between -40°C and +85°C with up to 95% non-condensing humidity. This durability ensures consistent performance for field surveying and vehicle navigation in challenging conditions.
Can you customize GNSS receivers or antennas for specific uses?
Yes, we offer OEM/ODM customization services to tailor GNSS receivers and antennas to your requirements. Our R&D team works closely with clients to adjust technical specifications and design for specialized applications like UAV mapping and precision agriculture.
How do I integrate your mushroom-head GNSS antenna with existing GPS systems?
Our antenna, with a compact size Φ159×61 mm and standard 50 Ω impedance, uses a TNC connector and supports centering rod mounting (5/8''×11), making it compatible with most commercial GPS systems for sale and GNSS base stations for easy installation and reliable signal tracking.
What quality controls ensure your GNSS modules meet performance standards?
We rigorously inspect all GNSS modules and antennas through multi-stage quality control, including SMT production checks, functional testing, and 100% final inspection. Our ISO9001:2015 certification and adherence to CE and RoHS standards guarantee high-quality and compliant GNSS receivers for sale.
