CAT MS990C GPS RTK GLONASS Grade Control Receiver


Trimble MS990C GPS Receiver
The MS990C
is the next generation GPS receiver
designed as a modular component in
the AccuGrade grade control system.
Its rugged design includes features to
maximize the new modernized GPS
signal structure including L2C and
L5 tracking capabilities.


The MS990C
is able to use satellites in both the
US satellite constellation and the
GLONASS satellite constellation to
augment the GPS solution and provide
increased availability and up time to
the operator. The MS990C includes
improved technology that provides
faster RTK initialization times, better
tracking and accuracy characteristics
over a broader range of operating

CAT MS990C Grade Control


Horizontal accuracy 10 mm 0.39 in
Vertical accuracy 20 mm 0.79 in
Operating range Up to 10 km (6.2 miles)
Network connector 16-pin
Electrical input 9 to 32V DC
Operating temperature –40° C to 70° C

–40° F to 158° F

Storage temperature –50° C to 85° C
–67° F to 185° F
Height 147 mm 5.8 in
Width 232 mm 9.1 in
Depth 251 mm 9.9 in
Weight 3.8 kg 8.3 lb

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CAT MS990C Spec Sheet