The RLACS198 is a quad constellation antenna capable of covering the BeiDou B1, Galileo E1, GPS L1, GLONASS L1 and SBAS (WAAS, QZSS, EGNOS and MSAS) frequency band (1557 – 1606 MHz).
| Antenna | |
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| Architecture | Dual, Quadrature Feeds |
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| 2 dB Bandwidth | 49 MHz |
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| Antenna Gain (with 100 mm ground plane) | 4.75 dBic |
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| Axial Ratio at Zenith over full bandwidth | <2 dB(typical), ≤3 dB(maximum) |
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| Electrical | |
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| Architecture | One LNA per feed line, mid-section SAW filter |
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| Filtered LNA Frequency Bandwidth | 1557 – 1606 MHz |
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| Polarization | RHCP |
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| LNA Gain | 28 dB (minimum) |
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| Gain flatness | ±2 dB, 1557 – 1606 MHz |
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| VSWR (at LNA output) | <1.5:1(typical),1.8:1(maximum) |
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| Noise Figure | ≤1 dB(typical) |
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| ESD Circuit Protection | 15 kV air discharge |
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| Supply Voltage Range (over coaxial cable) | +2.5 to 16 V DC nominal (12 V recommended maximum) |
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| Supply Current | 15 mA at 85°C (typical), 22 mA at 85°C (maximum) |
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| Out-of-Band Rejection | <1500 MHz >40 dB |
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| <1540 MHz >20 dB |
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| >1640MHz>45 dB |
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