Feature: 1. Front Filtering Technology: This GNSS surveying antenna adopts front filtering technology, which can effectively suppress out of band interference signals and improve the reliability of the system. 2. IP67 Waterproof: This navigation antenna is IP67 waterproof and comes with a UV protection cover, which provides protection for the antenna to work in the field for a long time. 3. Wide Application: This GNSS antenna can be widely used in geodesy, ocean survey, accurate agriculture, deformation monitoring and other high accuracy navigation and positioning situations. 4. Impedance Network Path Suppression Technology: This navigation GNSS antenna adopts the impedance network path suppression technology, which can effectively reduce the impact of multipath signals on the measurement accuracy. 5. Excellent ABS Material: This measuring antenna is made of excellent ABS material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. Specification: Item Type: GNSS Measuring Antenna Material: ABS Support Satellite Signal: BDS: BI, B2, B3; GPS: LI, L2, L5; GLONASS: GI, G2, G3; Galilco: El, E2, E5a, E5b, E6, L-band Operating Frequency Band: 1154MHz-1300MHz, 1551MHz-1615MHz Impedance Matching: 50 Ohm Polarization Mode: Right Circular Polarization Antenna Axes Ratio: ≤3dB Horizontal Coverage Angle: 360° Phase Center Error: ≤2.0mm Low Noise Amplifier Gain: 40±2dB Noise Figure: ≤2.0dB Output VSWR: