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SKA04C35-30RASJN Single-Frequency External Positioning Antenna is a high-performance antennaspecifically designed for high-precision Real-Time Kinematic (RTK) measurements. It supportsreception of single-frequency satellite signals from systems such as BeiDou, GPS, and GLONASS,featuring a stable phase center and the capability to capture low-elevation-angle signals, ensuringcentimeter-level positioning accuracy. The antenna integrates a low-noise amplifier to effectively enhance weak signal reception performance and adopts Right-Hand Circular Polarization (RHCP)technology to suppress multipath interference.
Read More| Antenna | gps external antenna |
SKA04C35-30RASJN Single-Frequency External Positioning Antenna is a high-performance antennaspecifically designed for high-precision Real-Time Kinematic (RTK) measurements. It supportsreception of single-frequency satellite signals from systems such as BeiDou, GPS, and GLONASS,featuring a stable phase center and the capability to capture low-elevation-angle signals, ensuringcentimeter-level positioning accuracy. The antenna integrates a low-noise amplifier to effectively enhance weak signal reception performance and adopts Right-Hand Circular Polarization (RHCP)technology to suppress multipath interference.
GPS Antenna Specifications
| NO. | Item | Specification | Post-Environmental Tolerance* | ||
| 1 | Receiving Frequency Range (MHz) | 1555-1610（MHz） | ±2.5（MHz） | ||
|
2 |
Center Frequency (with 30 mm × 30 mm
ground plane) |
1568（MHz） | ±25（MHz） | ||
| 3 | Bandwidth (MHz) (Return Loss ≤ -10 dB) | ≥20（MHz） | ±25（MHz） | ||
| 4 | V.S.W.R (at Center Frequency) | ≤2.0 | ±0.5 | ||
| 5 | Gain (Zenith, dBi typ, with 70 mm square
GND plane) |
5.0 | ±0.5 | ||
| 6 | Axial Ratio (with 70 mm square GND plane) | 6.0dB | ±0.2 | ||
| 7 | Polarization | Right-Hand Circular Polarization |
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||
| 8 | Characteristic Impedance (Ω) | 50 | ---- | ||
| 9 | Frequency Temperature Coefficient
(ppm/°C) |
0±10 |
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||
GPS Amplifier Specifications
| NO. | Item | Specification |
| 1 | Frequency Range | 1555-1610（MHz） |
| 2 | Antenna Gain | 30dB±2dB |
| 3 | Output V.S.W.R | <1.5 |
| 4 | Noise Figure | ≤1.5dB |
| 5 | Supply Voltage (DC) | 3-5V |
| 6 | Operating Current (DC) | ≤25mA |
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