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GR-901 series , Centimeter-Level GNSS module
Supoort L1/L2 Multi-band with Antenna
Features :
⚫ Based on ZED-F9P high precision module.
⚫ Plug and play cm-level smart antenna
⚫ USB/RS232/UART TTL options
⚫ Built-in L1/L2 band antenna and circuits supporting multiple constellations simultaneously
◼ GPS+Galileo+GLONASS+BeiDou
◼ SBAS, QZSS
⚫ DGNSS RTCM 10403.3 version 3 messages
support for RTK fix.
⚫ High sensitivity+:-167dBm tracking/-148dBm acquisition
⚫ Up to 8Hz update rate for quad-GNSS constellation or 15Hz for dual-GNSS constellations.
⚫ Magnet option available
◼ Plain disk without magnet inside
◼ Disk and pedestal with embedded magnet
⚫ Windows location sensor support
⚫ OMA SUPL compliant A-GPS support
⚫ SBAS (WAAS, EGNOS, MSAS, GAGAN) support
⚫ Excellent EMI protection
u-blox ZED-F9P inside with fine tune antenna
GPS/SBAS/QZSS: (MHz)
L1 C/A (1575.42),
L2C (1227.60)
GLONASS: (MHz)
L1OF (1602+k*0.5625, k= -7,…,5,6),
L2OF (1246+k*0.4375, k= -7,…,5,6),
Galileo: (MHz)
E1-B/C (1575.42),
E5b (1207.140)
BeiDou: (MHz)
B1I (1561.098)
B2I (1207.140)
Position Accuracy (RTK baseline up to 20km; 24 hours static)
Horizontal: RTK: 1 cm+1ppm CEP , SBAS: 1 m CEP / PVT: 1.5 m CEP
Vertical: (result with 1km baseline) RTK: 1 cm+1ppm
TTFF :
Autonomous (All at -130dBm)
2sec (GPS+Glonass+Galileo+BeiDou)
2sec (GPS+Glonass+Galileo+BeiDou)
25sec (GPS+Glonass+Galileo+BeiDou)
Max. Update Rate :
a. GPS+Glonass+Galileo+BeiDou
b. GPS+BeiDoui
c. GPS
RTK: 8Hz@a, 15Hz@b, 20Hz@c
PVT: 10Hz@a, 25Hz@b, 25Hz@c
RAW: 20Hz@a, 25Hz@b, 25Hz@c <10s@a&b, <30s@c
Depends on atmospheric conditions, baseline length, multipath conditions, satellite visibility and geometry
