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SMS
GPS GSM collars often send the fix data via the air by an SMS.
The abbreviation SMS stands for Short Message Service. SMS is well known by the mobile phone community. SMS is the ability
to send and receive text messages with mobile telephones.
In case of a GPS GSM collar, the GSM unit sends an SMS to a receiving unit, mostly a GSM groundstation.
The text of an SMS can comprise words or numbers or an alphanumeric combination. SMS services are available from many of the worldwide GSM
networks - in addition to simple user generated text message services - they include news, sport, financial, language and location based services, as well as many early examples of mobile commerce such as stocks and
share prices, mobile banking facilities and leisure booking services.
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