The new Altis V4+ is on the market with the new Futaba/Frsky telemetry converter. The GPS is not yet available.
I order the convert and I will tell u more about it in the near future.
To use the "old" Altis V4 with telemetry converter u need the V2.0 version on your Altis V4.
More info on the Aerobtec web site : http://www.aerobtec.com