INTRODUCTION
GPS/Glonass/Galileo/Baidou Magnetic mount
INTRODUCTION
1. GENERAL DESCRIPTION
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Model No
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Products P/N
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GPS/GNS/BDS/GAL-3M-SMA/M
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GPS/GNS/BDS/GAL-12
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Below is a table summarizing the GPS/Glonass/Beidou/Galileo antenna design specification.
2. Application:
For antenna units used with or in automobile ( 50Ω impedance ).
3. Appearance:
Antenna Unit
Dimensions 25.00x25.00x8.90mm
Weight 15.0±1g (typ)-Without Cable & Connector
4. Operating Condition:
Temperature -20 to +90 ℃
Humidity 10 to 95％ RH
5. Storage Condition:
Temperature -40 to +90 ℃
Humidity 10 to 95％ RH
6. Electrical Specification:
˙All values are defined at 25±15℃,65 ± 20％RH , power handling
1 u watt ,˙air pressure 960±100 HPA unless noted.
˙Patch characteristics are measured with 70x70 mm ground plane in an anechoic chamber.
6-1) Patch
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Characteristics
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Specification
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Center Frequency
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1575.42(GPS)
1602(Glonass)
1561(Beidou)
1575(Galileo)
(when covered with a radome and measured by LNA ground plane)
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Bandwidth
(10dB return loss)
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8 MHz min @S11≦-10dB
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Gain at Zenith
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2.0 dBic typ
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Operating Frequency
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1568~1578Mhz(GPS)
1598~1608MHz(Glonass)
1557~1564MHz(Beidou)
1563~1591Mhz(Galileo)
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Gain at 10°elevation
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-7 dBic min
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Polarization
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R.H.C.P
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Axial Ratio
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3 dB typ
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VSWR
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<2.0:1
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6-2) Filter / LNA
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Characteristics
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Specification
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Center Frequency
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1561/1575.42/1575/1602MHz ±1.0MHz
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Gain
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27~28 dB typ
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Noise Figure
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1.5 dB typ
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Output V.S.W.R
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2.0 max
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Voltage
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2.5~5.5 V
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Current
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2.5V：6.6 mA Typical
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3.0 V：8.6 mA Typical
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4.0 V：12.6 mA Typical
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5.5 V：16 mA Typical
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