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4.5 Parameters of GNSS
Parameter
GNSS Systems
Antenna
Features
Frequency
Sensitivity
(autonomous)
TTFF
(autonomous)
Accuracy (CEP-50)
(autonomous)
Description
GPS, GLONASS, BDS, Galileo, QZSS
Connector type: SMA
Input impedance: 50
Antenna connection:
• shared with cellular SMA connectors
• ANT3 for L1 band
• ANT1 for L5 band
Frequency range:
• L1: 1559–1609 MHz
• L5: 1166–1187 MHz
Polarization: RHCP or linear
VSWR: < 2 (Typ.)
Power mode: pasive antenna only
Passive antenna gain: > 0 dBi
Protocol: NMEA 0183
Data update rate: 1 Hz
GPS/Galileo/QZSS (L1): 1575.42 1.023 MHz
GPS/Galileo/QZSS (L5): 1176.45 10.23 MHz
Galileo (E1): 1575.42 2.046 MHz
QZSS (L1): 1575.42 MHz
GLONASS: 1597.5–1605.8 MHz
BDS 1561.098 2.046 MHz
Acquisition: -147 dBm
Reacquisition: -160 dBm
Tracking: -160 dBm
Cold start: 27.93 s
Warm start: 11.55 s
Hot start: 1.09 s
1.35 m (at open sky)
Table 20: Technical Parameters of GNSS
36
ICR-4461
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