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Created: 29 October 2009

Satellite systems are either what is known as: 1 way or 2 way. Unless you have several thousands of pounds available then 1 way is most likely the most cost effective option. Systems that use the likes of, for example, TracVision equipment with internet capability are classed as 1 way since they send data requests via GPRS and returns via satellite.

 

2 way systems, for example, the Alden Netmaster sends requests and returns via satellite making them non-dependant on the availablility of mobile phone signals.

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