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• Customization: Available
• Type: GPS Antenna
• Certification: ISO14001, RoHS
• Model NO.: GL-DY002
• Warranty: 1 Year
• Directionality: Directional Antenna
• Vswr: <1.5
• Nature of Operation: Receiving Antenna
• Sturcture Form: Surface Antenna
• Material: ABS
• Usage: Car Antenna, GPS Antenna
• Usage Occasion: Car Antenna
• Operating Wavelength: Microwave
• Base Antenna: Sihuan Array Antenna
• Transport Package: 20PCS/CTN CTN Size: 97*20*39.5cm
• Specification: 20*1230mm
• Trademark: LEHENG
• Origin: China
• HS Code: 8529109090
• Production Capacity: 1000PCS/Day
• Package Size: 20.00cm * 15.00cm * 5.00cm
• Package Gross Weight: 1.000kg

Product Description

Product Description

GPS L1 Active Antenna with 34dB LNA, Model GL-DY002

The GL-DY002 is a compact, high-performance active GPS antenna designed for precision navigation and positioning applications. Operating at the standard GPS L1 frequency of 1575.42±1 MHz with Right-Hand Circular Polarization (RHCP), it features a built-in Low-Noise Amplifier (LNA) with 34 dB gain and a low noise figure of <1.5 dB, ensuring excellent signal reception even in weak-signal environments. With a VSWR of <1.5 and 50Ω impedance, the antenna provides optimal impedance matching for sensitive GPS receivers. The compact design (46×38.5×13.5 mm) includes multiple installation options via magnetic base or adhesive mount, making it ideal for both fixed and mobile deployments. The antenna comes with a 1-meter RG174 cable terminated with an SMC female connector and offers IP65-IP67 protection (excluding cable outlet) against dust and water ingress. Operating from -40°C to +85°C with 5-95% humidity tolerance, the GL-DY002 is built for reliability in harsh outdoor conditions, making it suitable for automotive, marine, surveying, and IoT applications requiring precise GPS positioning.

Specification

GPS Antenna
GL-DY002
Electrical Index
Frequency-MHz	1575.42±1	Antennamodel	GPS Compass GLONASS GALILEO
VSWR	<1.5	Nominalfrequency	GPSL1:1575.42±1.023MHz, L2:1227±1.023MHz; L5:1176±1.023MHZ Compass B1:1561±2.046MHz,B2:1207±2.046MHz,B3:1268±10.23MHz; GLONASSL1=1602+0.5625*k(MHz),L2=1246+0.4375*k(MHz) GALILEOE1:1575.42
Normal Impedance-Ω	50	FrequencyRange	1197-1278/1559-1612MHz
Polarization	RHCP,	V.S.W.R	≤2 .0
Axial Ratio	3dB(max)	AxialRatio	elevation90°:≤3, elevation15°:≤5
LNA Gain	34dBi	Gain	elevation90°:≥6,elevation20°:≥0plane
Noise Figure	<1.5	FronttobackPower	±60°≥15dB
Supply Voltage	2.2-5V DC	Phase center(mm)	<2
Current Consumption	<15mA	Impedance	50Ω
Mechanical Index		Polarization	RHCP
Cable Length	RG174,1m	LNAGain	38±2dB
Connector	SMC female	V.S.W.R	<2
Antenna Dimension-mm	46*38.5*13.5	NoiseFigure	<1.0
Installation Way	Magnet or Adhesive	DCVoltage	3.3-  12V
Ingress Protection	IP65~IP67(exclude cable outlet)	Current	25-  40mA
Vibration	10 to 55Hz with 1.5mm amplitude 2hours
Environmentally Friendly	ROHS Compliant
Temperature-ºC	-40~+85
Humidity	5~95

Functional Advantages

High-Gain LNA for Superior Signal Reception

The integrated 34 dB Low-Noise Amplifier with <1.5 dB noise figure significantly enhances weak GPS signal reception, improving positioning accuracy in challenging environments.

Compact, Versatile Mounting Options

With both magnetic and adhesive mounting capabilities, this antenna can be easily installed on vehicles, equipment, or surfaces without permanent modifications.

Robust Environmental Protection

Featuring IP65-IP67 ingress protection and a wide operating temperature range (-40°C to +85°C), the antenna delivers reliable performance in demanding outdoor conditions.

Core Applications

Automotive and Vehicle Tracking Systems
Provides precise GPS positioning for fleet management, vehicle tracking, telematics, and navigation systems in cars, trucks, and buses.

Marine Navigation and Positioning
Enables accurate GPS reception for marine vessels, fishing boats, and recreational watercraft requiring reliable navigation in open water environments.

Surveying and Precision Agriculture
Supports high-accuracy positioning for land surveying, construction layout, and precision farming equipment requiring centimeter-level GPS accuracy.

IoT and Asset Tracking Devices
Ideal for GPS-enabled IoT devices, asset tracking systems, and portable equipment requiring compact, high-performance GPS antenna solutions.

Aerial and Drone Navigation Systems
Provides reliable GPS positioning for unmanned aerial vehicles (UAVs), drones, and aerial mapping systems requiring stable satellite signal reception.

FAQ

Q: What is the purpose of the built-in LNA in this GPS antenna?
A: The Low-Noise Amplifier (LNA) amplifies weak GPS signals while adding minimal noise, improving signal-to-noise ratio and enabling better satellite reception, especially in areas with signal obstructions or interference.

Q: What power supply does this active antenna require?
A: The antenna operates on 2.2-5V DC supplied through the coaxial cable, typically provided by the GPS receiver. It consumes less than 15mA current.

Q: Can this antenna be used with other GNSS systems besides GPS?
A: While optimized for GPS L1 (1575.42 MHz), it may also receive signals from other GNSS systems (GLONASS, Galileo, BeiDou) that operate near this frequency, though performance for other systems may vary.

Q: How do I install the antenna for optimal performance?
A: For best results, mount the antenna with a clear view of the sky, away from metal obstructions. The magnetic base allows quick installation on vehicle roofs, while the adhesive option works for non-metal surfaces.

Q: Is the cable length fixed, or can it be extended?
A: The antenna comes with a fixed 1-meter RG174 cable. Extension is possible but may require careful impedance matching and could potentially degrade signal quality due to cable losses.