The GN503A Active GNSS Antenna by AntennaHome delivers exceptional satellite positioning performance with integrated high-gain 28dB LNA and 480mm cable. This professional-grade active GPS antenna combines compact waterproof housing, powerful signal amplification, and versatile mounting options, making it the ideal solution for vehicle tracking systems, timing applications, and navigation devices requiring enhanced reception in challenging environments.
Features
- High-Performance 28dB LNA: Integrated low-noise amplifier with exceptional 1.0dB noise figure dramatically improves reception sensitivity and range
- GPS L1 Optimized: Precisely tuned for 1575.42MHz GPS L1 band with support for GPS, GLONASS, Galileo, BeiDou, and QZSS constellations
- IP67 Waterproof Housing: Fully sealed design provides complete protection against water and dust for reliable outdoor operation
- Versatile Mounting System: Powerful magnetic base with additional 3M adhesive option for secure installation on various surfaces
- Premium 480mm Cable: High-quality RG174 coaxial cable with gold-plated SMA male connector ensures reliable signal transmission
- Compact Form Factor: Space-efficient 45.5×45.5×13.6mm design allows for discreet installation on vehicles and equipment
- Right-Hand Circular Polarization: Optimal RHCP design ensures maximum satellite signal reception regardless of antenna orientation
- Stable DC Power: Operates on standard 3-5V DC power supplied through the coaxial cable for simplified installation
- Superior Filtering: Built-in band-pass filter rejects out-of-band interference for clean signal reception
- Extended Temperature Range: Reliable operation from -40°C to +85°C for demanding industrial and automotive applications
Specifications
- Product Model: GN503A Active GNSS Antenna with 480mm Cable
- Part Number: AH1G.501.L480
- Frequency Range: 1575.42±3MHz (GPS L1 band)
- Satellite System Compatibility: GPS, GLONASS, Galileo, BeiDou, QZSS (L1/E1/B1 bands)
- LNA Gain: 28dB (typical)
- Noise Figure: 1.0dB (typical)
- VSWR: ≤2.0
- Polarization: RHCP (Right Hand Circular Polarized)
- Axial Ratio: ≤3.0dB
- Power Supply: 3-5V DC via coaxial center conductor
- Current Consumption: 10mA (typical)
- Connector Type: SMA Male (gold-plated)
- Cable Type: RG174 coaxial cable
- Cable Length: 480mm (18.9in)
- Dimensions: 45.5×45.5×13.6mm (1.79×1.79×0.54in)
- Weight: 82g including cable and connector
- Housing Material: ABS plastic, UV resistant
- Mounting: Magnetic base with 3M adhesive option
- Magnet Strength: 5kg pull force
- Operating Temperature: -40°C to +85°C (-40°F to +185°F)
- Storage Temperature: -40°C to +125°C (-40°F to +257°F)
- Water/Dust Protection: IP67
- RoHS Compliant: Yes
Applications
The GN503A Active GNSS Antenna is ideal for:
- Vehicle Tracking Systems: Fleet management, stolen vehicle recovery, and logistics optimization
- Precision Timing: Network synchronization, financial systems, and critical infrastructure timing
- Telematics: Insurance telematics, driver behavior monitoring, and connected vehicle systems
- Navigation Devices: Automotive navigation, marine chartplotters, and portable GPS units
- IoT Location Services: Asset tracking, smart city applications, and infrastructure monitoring
- Security Systems: Mobile surveillance platforms, emergency service vehicles, and security monitoring
- Agricultural Equipment: Tractors, harvesters, and farm management systems
- Railway Applications: Train positioning, railway management, and level crossing systems
- Marine Systems: Vessel tracking, navigation aids, and maritime safety equipment
- Timing Servers: NTP/PTP time sources, telecommunications infrastructure, and broadcast systems
Key Advantages
- Enhanced Reception Sensitivity: 28dB amplification allows reliable positioning even in areas with weak satellite signals
- Simple Powered Installation: Direct powering through the RF cable eliminates the need for separate power connections
- Weatherproof Durability: IP67-rated housing ensures long-term reliability in outdoor and mobile applications
- Interference Rejection: Integrated filtering minimizes the impact of cellular, Wi-Fi, and other RF sources
- Flexible Mounting Options: Secure magnetic attachment with optional adhesive backing for non-metallic surfaces
Shipping List
Each order includes:
- GN503A Active GNSS Antenna with 480mm cable and SMA Male connector
- Technical specification sheet with detailed electrical parameters
- Installation guide with mounting recommendations and power requirements
- Certificate of Compliance for material composition and manufacturing standards
- Protective packaging to prevent damage during shipping and storage
Note: Requires 3-5V DC power supplied through the center conductor of the coaxial cable. Compatible with most GNSS receivers that provide DC voltage on the antenna input. For receivers without DC bias, an external bias-tee is required (sold separately).
The GN503A Active GNSS Antenna represents AntennaHome's commitment to delivering high-performance satellite positioning solutions for professional applications. This premium active GPS antenna combines advanced LNA technology, weatherproof construction, and flexible mounting options to ensure reliable satellite reception for navigation, timing, and location-based services in even the most challenging environments.