丨 Product Introduction1. Multi frequency and multi-channel processing: 8-channel reception and processing of Beidou B1, GPS L1, and Galileo L1 signals.
2. Strong anti-interference ability: can suppress 7 external broadband interferences.
3. Clear RF output: Output two filtered signals.
丨 Specification parameters
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Antenna array
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1
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Antenna array
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8 Beidou B1/GPS L1/Galileo L1 antenna array elements
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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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Polarization
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RHCP
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|
4
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Coverage
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azimuth: 0-360 °, pitch: 0-90 °
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|
5
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Antenna vertex gain
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≥2.0 dBi
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LNA
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1
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GAIN
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Beidou B1/GPS L1/Galileo L1:25±3dB(customizable)
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2
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Noise Figure
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≤2.5dB
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|
3
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Out-of-band inhibition
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≥ 50dB@f0±50MHz
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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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RF input power limiting
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10W
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|
6
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Feed voltage
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5V±10%
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|
7
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Feed current
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<100mA@5V
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|
Anti-jam processing
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1
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function
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Used for GNSS Beidou B1/GPS L1/Galileo L1
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|
2
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Mitigates multiple CW, partial band, broadband and pulsed jammers even under
high dynamics;
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|
3
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Greater than 95 dB J/S of jamming suppression against single jammer
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|
4
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Greater than 80 dB J/S of jamming suppression against 7 jammers.
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|
RF output power
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1
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2 RFout
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Filtered Beidou B1/GPS L1/Galileo L1
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|
2
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Out Power
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-75dBm~-55dBm (customizable)
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|
Power supply
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1
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Input voltage
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12V~36V(28V default)
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|
2
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Supply power
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≤20W
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|
Temperature
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1
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Operation temperature
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-40℃~85℃
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|
2
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Storage temperature
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-40℃~85℃
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|
Physical and Electrical
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1
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dimension
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268*44mm
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|
2
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weight
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<2.5Kg
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|
3
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interface
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2 RF TNC connectors
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|
4
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1 DB9 female serial connector
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|
5
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1 power connector (customizable)
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丨 product mix

DB9 female connector signal definition:

Power connector (The power interface is customizable):

Enhanced Positioning Solution for Demanding Navigation Needs
This GNSS antenna targets users requiring stable satellite signal reception in challenging environments. It serves defense drone operators and aerial system integrators needing dependable rtk gnss accuracy under interference conditions. With its active antenna shell design, this module offers compact integration suited for high-mobility platforms. Perfect for professionals focused on achieving precise location data, it bridges the gap between raw satellite signals and refined output, ensuring mission-critical navigation remains accurate and consistent.
Robust Technical Features Ensuring Signal Clarity
Equipped to track eight channels from Beidou B1, GPS L1, and Galileo L1, the antenna employs advanced anti-jamming technology capable of suppressing up to seven broadband interferences simultaneously. Complemented by dual filtered RF outputs, it guarantees low noise and clean signal transmission. The customizable low-noise amplifier gain and operational temperature range from -40℃ to 85℃ assure performance stability across varied conditions. The high accuracy gps module is bolstered by a right-hand circular polarization feed that maximizes satellite signal strength and reception reliability.
Versatile Application in Electromagnetic Complex Environments
Designed to enhance drone navigation systems, the antenna supports critical applications requiring uninterrupted positioning data, particularly in hostile electromagnetic environments. Its rtk gnss accuracy capabilities improve tracking precision for autonomous aerial vehicles, defense drones, and testing facilities. By filtering signals before delivery to navigation units, it offers a stable data stream essential for control algorithms and mission execution. This antenna thus contributes to safer, more efficient drone operations where exact geographic coordinates are vital.
Use Scenarios
Integration in Defense Drone Navigation Systems
In defense operations, drones require uninterrupted satellite positioning for navigation and target tracking. This antenna operates within electromagnetic dense zones and suppressed jammer scenarios, providing robust rtk gnss accuracy essential for mission success. It filters and outputs clean GNSS signals directly to the drone’s guidance system, enhancing flight control and spatial awareness. By accommodating multiple satellite constellations, it strengthens signal diversity and reliability, supporting tactical deployment and situational responsiveness while integrating smoothly with existing defense-grade communication architectures.
Application in Autonomous Aerial Vehicle Signal Enhancement
Autonomous aerial vehicles operating in urban or complex topographies face high GNSS signal multipath and interference. Employing the antenna’s active antenna shell design and high accuracy gps module capabilities, these vehicles achieve improved position fixes even in difficult RF environments. The antenna’s dual filtered outputs ensure that navigation controllers receive stable, low-noise data streams critical for flight path computation. This integration supports compliance with industry standards for precision navigation, assists in collision avoidance systems, and enhances operational safety for commercial and industrial UAV platforms.
FAQ
What materials and design features ensure the antenna's durability?
This antenna features a compact, lightweight design with a durable active antenna shell built to withstand temperatures from -40℃ to 85℃. Its construction supports stable performance in harsh environments, ensuring longevity and reliability in various defense drone applications requiring high accuracy GPS module functionality.
Can I customize the antenna's signal amplification or output power?
Yes, the antenna allows customization of the low-noise amplifier (LNA) gain and RF output power. This flexibility ensures optimal signal clarity for different operational demands, improving the effectiveness of the RTK GNSS accuracy system in mission-critical drone navigation.
How is the antenna installed and connected on defense drones?
Installation involves integrating the antenna via two RF TNC connectors and a DB9 female serial connector for communication. Its size and weight are designed for easy drone integration without compromising balance or flight dynamics, supporting steady data output for guidance units.
What support and logistics services does Dalang Communication provide for this product?
Dalang Communication ensures product reliability through strict quality control and follows international standards. They offer technical support and customized services, helping users optimize installation and maintenance of the antenna to maintain consistent RTK GNSS accuracy during operations.