Reliable High-Gain Antenna for Gnss and L-Band Use

• Customization: Available
• Directionality: Directional Antenna
• Frequency Band: Bds: B1;GPS:L1;Gnonass:G1,G2;Galileo:E1
• Model NO.: GL-BA400
• Material: ABS
• Sturcture Form: Surface Antenna
• VSWR: <1.5
• Fob Port: Guangzhou
• MOQ: 100
• Payment: Tt, Paypal
• Attribute: Reliable High-Precision Antenna
• Transport Package: Carton
• Specification: 53*29*24cm
• Trademark: LEHENG
• Origin: China
• HS Code: 8517710000
• Production Capacity: 10000PCS/Day
• Package Size: 27.00cm * 20.00cm * 10.00cm
• Package Gross Weight: 1.000kg
• Lead Time: 14 days (1 - 100 Pieces) ; To be negotiated ( > 100 Pieces)

Product Description

Product Description

GL-BA400 High Precision Antenna--High Accuracy Applications
The GL-BA400 is a high-precision multi-GNSS antenna designed for professional applications requiring reliable and accurate positioning. It supports BDS B1, GPS L1, GLONASS G1, Galileo E1, and L-Band, ensuring wide compatibility and enhanced signal availability. With a high gain of ≥5.5 dBi, superior LNA gain (40±2dB), and excellent phase center stability (±2mm), it delivers consistent performance in challenging environments. Operating from 3.0–12V DC with low power consumption (≤45mA), it is built to withstand harsh conditions (-40℃ to +80℃) and features a durable TNC connector. Ideal for surveying, precision agriculture, and navigation systems where accuracy and durability are critical.

Specification

Frequency Range(MHz)	BDS:B1;GPS:L1;GNONASS:G1; Galileo E1;L-Band
Peak Gain	≥5.5 dBi
Polarization	RHCP
VSWR	≤2.0
Axial Ratio	≤3dB
Impedance	50Ω
LNA Gain	40±2dB
Horizontal Coverage Angle	360°
In-band Flatness	±2dB
Noise figure	≤2.0
Phase center	±2mm
Operating voltage	3.0~12V DC
working current	≤45mA
Connector	TNC-K
Humidity	95%Non-condensing
Storage temperature	-45℃ to+85℃
Dperating temperature	40℃ to+80℃
Weight	≤350g

Functional Advantages

Comprehensive Multi-System Support

Compatible with all major global navigation satellite systems (BDS, GPS, GLONASS, and Galileo) across multiple frequency bands. 

Superior Signal Quality for High-Accuracy Applications

With an integrated Low-Noise Amplifier (LNA) offering high gain and a low noise figure (≤2.0), the antenna significantly improves signal reception and sensitivity.  

Robust Design with Low Power Consumption

Engineered for durability, the antenna operates reliably in extreme temperatures (-40℃ to +85℃) and high humidity (95% non-condensing). 

Core Applications

Surveying & Mapping
Ideal for high-accuracy geodetic surveying, cadastral mapping, and construction layout, where its stable phase center and multi-GNSS support enable centimeter-level positioning reliability.

Precision Agriculture
Enables automated guidance for farm machinery and supports variable-rate application systems, improving efficiency and crop yield through accurate, real-time positioning.

Unmanned Aerial Vehicles (UAVs)
Provides dependable navigation and positioning for drones used in aerial mapping, inspection, delivery, and agricultural monitoring, even in dynamic flight conditions.

Autonomous & Connected Vehicles
Supports automotive testing, ADAS development, and fleet management systems by delivering robust and continuous positioning data essential for navigation and telematics.

Critical Infrastructure & Timing
Suitable for synchronization in telecommunications networks, power grids, and scientific monitoring stations where precise timing and reliable GNSS signals are crucial.

FAQ

 
Q1: What level of positioning accuracy can this antenna support?

A: This antenna is designed to support centimeter to millimeter-level accuracy when used with a compatible GNSS receiver in RTK (Real-Time Kinematic) or PPK (Post-Processed Kinematic) modes.     Its stable phase center (±5mm) and low axial ratio ensure reliable signal quality for high-precision applications.
 
Q2: Is the antenna compatible with my existing GNSS receiver?

A: Yes, it supports all major GNSS systems (GPS, GLONASS, Galileo, BDS) across multiple frequencies.     It uses a standard SMA connector and operates on 3–12V DC, making it compatible with most industrial and surveying-grade receivers.
 
Q3: Can it be used in harsh environmental conditions?

A: Absolutely.  The antenna is built to operate in temperatures from -40℃ to +85℃ and withstand up to 95% non-condensing humidity, making it suitable for outdoor, marine, and industrial environments.

Q4: How should the antenna be mounted for optimal performance?

A: For best results, mount the antenna on a stable, metallic ground plane with a clear view of the sky.     Ensure the polarization (RHCP) is oriented upward, and avoid obstructions near the antenna's horizon.

Q5: Is the antenna suitable for moving platforms like drones or vehicles?

A: Yes.  Its lightweight design (≤150g), low power consumption, and robust performance across dynamics make it ideal for UAVs, autonomous vehicles, agricultural machinery, and marine navigation systems.