Involvement:Expert (understands the inner workings) - Ownership:more than 1 month Pros:Solid aluminum case.
Eletrical squema in manual is correct. Cons:Not a VT310 model
Manual is wrong -
SMS commands do not work
Battery is not good. Low charge.
Any SMS response is in Chinese language. OtherThoughts:few commands to configuration.
LEDs dif... Read more
Involvement:Expert (understands the inner workings) - Ownership:more than 1 month Pros:Cheap.
Solid aluminum case.
Good GPS sensitivity.
GSM connects in bad coverage areas. Cons:Not a VT310.
Headcent unidirectional GPRS protocol.
Incomplete manual, does not cover all the commands / connections.
To view tracks you must connect to a very slow Chin... Read more
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