Datasheet

13
LA010802B © 2008 Navman Wireless OEM Solutions. All rights reserved. Proprietary information and specications subject to change without notice.
network. It is used to transmit activity data from the vehicle and to send messages
out to the vehicle.
GPS Global Positioning System. A space-based radio positioning system that
provides accurate position, velocity and time data.
GSM Global System for Mobile communication. GSM is a type of cellular
communications network and an alternative to CDMA.
MDT Mobile Data Terminal. The device tted onto the dashboard of a vehicle, for two-
way messaging between the vehicle and the OnlineAVL application.
NMEA National Marine Electronics Association. The US standards committee that
denes data message structure, contents and protocols to allow the GPS receiver
to communicate with other pieces of electronic equipment aboard ships.
OEM Original Equipment Manufacturer. OEMs are manufacturers who resell another
company’s product under their own name and branding.
PWM Pulse width modulation. Varing a digital pulse high to low time ratio resulting in
the variation of the average value of the waveform.
SDK Software Development Kit. A programming package that enables a programmer
to develop applications for a specic platform. Typically an SDK includes one or
more API’s, programming tools, and documentation.
SRAM Static Random Access Memory. SRAM is a type of memory that is faster and
more reliable than the more common DRAM (dynamic RAM). The term static is
derived from the fact that it doesn’t need to be refreshed like dynamic RAM.
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