
Purchasable Options
744 590 GSW475, Sensor upgrade from GRX1200 Lite to GRX1200 Classic
758 420 GSW619, Sensor upgrade from GRX1200 Pro to GRX1200 GG Pro, incl. permanent
GLONASS functionality. Only for GRX1200 Pro sensors with serial numbers between
355001 and 360000. For sensors outside this range, only GSW567 is required.
GMX900 Series vs GRX1200 Series - Differentiation
GMX901 GMX902 GMX902 GG GRX1200+
GRX1200+
GNSS
12 channels GPS, 1Hz L1 code/phase receiver
yes - - - -
120 channels GPS, 20Hz L1/L2 code/phase receiver
+L5
- yes
- yes -
120 channels GPS, GLONASS, Galileo, 20Hz L1/L2
code/phase receiver
- - yes - yes
Antenna Internal External External External External
Raw data streaming yes yes yes yes yes
Raw data logging onboard the receiver - - - yes yes
RTK corrections directly from the receiver - - - yes yes
Configuration and status display with web interface - - - yes yes
Configuration and status display with GNSS Spider yes yes yes yes yes
RT and PP coordinate calculation using GNSS Spider yes yes yes yes yes
Advanced reference station firmware functionality - - - yes yes
Number of serial ports 1 2 2 4 4
Advanced I/O ports - PPS PPS
PPS. Event,
External
Oscillator,
Ethernet
PPS. Event,
External
Oscillator,
Ethernet
Power consumption 1.7 W 2.4 W 2.0 W 3.6 W 3.6 W
IP67 yes yes yes yes yes
Operating temperature –40° to +65°C yes yes yes yes yes
4.2.2 Antennas
747 958 AX1203+ GNSS, GPS/GLONASS/Galileo Triple Frequency Antenna for all GRX1200 Series
and GRX1200+ Series receivers.
766 714 AX1202 GG, Dual Frequency Antenna for GX1230 GG and GRX 1200 GG Pro Receiver
755 267 AT504 GG, GPS/GLONASS dual-frequency choke-ring antenna for GPS/GLONASS
receivers. Dorne-Margolin antenna element, JPL design. Conforms to IGS "Typ T"
specification for GPS antennas. For GX1220 / 1230, GRX1200 and GMX902 Receivers.
765 733 AR25, GNSS choke ring antenna for GPS/GLONASS/Galileo/Compass receivers. Includes L-
Band signals. Dorne-Margolin antenna element.
667 140 GVP601, Weather-protection radome for AT504 choke ring antenna.
765 734 GVP653, Weather-protection radome AR25 choke ring antenna.
4.2.3 GNSS Accessories
667 200 Antenna cable, 1.2 m
636 959 Antenna cable, 2.8 m
632 372 Antenna cable, 10.0 m
632 390 Antenna cable, 30.0 m
664 813 Antenna cable, 50.0 m
713 483 Antenna cable, 70.0 m
733 257 MCF256, CompactFlash card 256MB.
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