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GSM is used to send and collect data from a central unit through a data call. More information regarding GSM can be found here: LINK
GPS receives information about a location from satellites, but it cannot communicate with a central unit.
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GSM is used to send and collect data from a central unit through a data call. More information regarding GSM can be found here: LINK
GPS receives information about a location from satellites, but it cannot communicate with a central unit.
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