User guide

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4. GPS
Common
GPS Type
What type of GPS is used in M3 PDAs? Does it support A-GPS?
M3 uses two different modules for GPS. Please refer below table for GPS chipsets.
Model
GPS Chipset
M3 SKY
M3 ORANGE
M3 T
SiRF Start III
M3 SKY
MM3
M3 SMART
M3 ORANGE
UBLOX(AGPS
supported)
PDAs that use SiRF Star III do not support A-GPS (Assisted GPS). However, it is supported in the M3 SKY,
M3 ORANGE since 2Q 2012.
Questions about GPS
1. When does the GPS module start gathering GPS data?
When the power is supplied to GPS module and COM2 is opened, GPS starts to work regardless of running
OS. It only works when COM Port is opened at certain program.
2. How long does battery last while turning on GPS?
Battery will last for about 9 hours when using standard battery and Level 5 of backlight. It may vary
depending on its usage environment.