The Stonex SA1800 is a high-performance 3D choke ring GNSS antenna designed for CORS stations, deformation monitoring, and geodetic applications. Its sub-millimeter phase center stability ensures exceptional precision, while its rugged build provides long-term durability in harsh environments.

Key Features:

• 3D Choke Ring Design – Minimizes multipath interference across all GNSS frequency bands, including L-Band.
• Comprehensive Satellite Tracking – Supports GPS, GLONASS, Galileo, BeiDou, QZSS, IRNSS, and SBAS, ensuring robust positioning.
• Superior Signal Reception – Captures low elevation signals with high gain and wide beam width, delivering precise GNSS data in obstructed environments.
• Anti-Interference Technology – Advanced LNA with 50dB gain suppresses electromagnetic interference (EMI) for stable signal reception.
• Rugged and Weatherproof – IP67-rated Glass Fiber Reinforced Polymer (GFRP) housing ensures resistance to dust, water, and extreme temperatures.

Technical Specifications:

• Polarization: RHCP
• Axial Ratio: ≤2dB
• Peak Gain: 7dB
• LNA Gain: 50dB (typical)
• Nominal Impedance: 50Ω
• Operating Voltage: +3.3VDC to +12VDC
• Waterproof/Dustproof: IP67
• Dimensions: Ø379mm x 312mm
• Connector: TNC Female
• Weight: 23 lbs

The Stonex SA1800 is the ideal choice for surveying professionals requiring high-precision, interference-free GNSS data for reference stations and critical monitoring projects.