1. the antenna using fo-u r -wallspiral design and completely symmetrical antenna structure, to achieve the centerof the center and geometric center coincidence,reducing the antenna on themeasurement error;

2. with high vertex gain, good low elevation gain, wide anglecircular polarization characteristics;

3. built-in voltage regulator circuit, the effective protection ofthe amplifier;

Antenna indicators

-Frequency Range: GPS: L1/L2
-GLONASS: L1/L2
-BD2: B1/B2/B3
-Impedance: 50Ω

Polarization mode:
right-handed
circular polarization
The antenna axial ratio: ≤3dB
Horizontal coverage angle: 360°
Output standing wave:≤1.5
Vertex gain: ≥2.5dBi
Low-noise amplifier index
Gain: 35dB
Noise figure: ≤2dB
Output standing wave: ≤2
Anti-burn power: ≥6W
Operating Voltage: 3~5VDC
Operating Current: ≤25mA

Structural properties

Size: Φ31×54mm
Connector Type: SMA-J
Weight: 19g

Environmental

Working Temperature: -40°C to +85°C
Storage Temperature: -55°C to +85°C
Working storage humidity:95%(no condensation)