[alistairsam]

Originally Posted by Visionoz

The 434MHz is reserved for Amateur band use and is therefore illegal unless you are licensed to do so within this band

Please see this link http://www.wia.org.au/members/bandplans/data/documents/Australian Band Plans 110127.pdf (page 13 - 70cm Band, 420 - 450MHz)

HTH
Cheers
Bill

wow. had no idea. how do you get licensed?
its a bit surprising cause these modules are very common and even jaycar sells them but no warnings.
guess this changes things. have to think of something else.