I connected my new tracker called TK200 as GT06N with success.
I sent a SMS version# and I got back: TR06N_V5.1.3,2014.01.22 so I think it's a copy of the tracker TR06N (vendor Concox).
Use this SMS to set the GPS Trace Orange GPRS server:
Great feature of this cheap tracker is that you can also set a domain as server address (e. g. for your private dynDNS home tracking server).
Here you can find all SMS commands: