sparkfun ZOE-M8Q Manual page 15

GPS Capabilities
The SAM-M8 is able to connect to up to three different GNSS constellations at a time making it very accurate for
its' size. Below are the listed capabilities of the GPS unit.
Horizontal Position
Accuracy
Max Navigation Update
Rate
Time-To-First-Fix
Sensitivity
Velocity Accuracy
Heading Accuracy
Which GPS Unit Do I Pick?!
Size and GNSS Antenna
GNSS
ROM
Cold Start
Hot Start
Tracking and
Navigation
Reacquisition
Cold Start
Hot Start
0.05m/s
0.3 degrees
GPS and GPS
GLONASS
2.5m 2.5m
10Hz 18Hz
26s 29s
1s 1s
-165dBm -164dBm
-158dBm -158dBm
-146dBm -146dBm
-155dBm -155dBm
GLONASS Galileo
8m ---
18Hz 18Hz
30s ---
1s ---
-164dBm -157dBm
-154dBm -151dBm
-143dBm -136dBm
-154dBm -149dBm