I'm not sure, and I would have to check the net and be sure that the frequencies provided are the same as here.
I have a feeling that they are not compatible.
There are places in Aust which you can save a few bucks but youll have to look around,do a search on GME600 and you will get an address to a site which will compare prices.
Take into account your US buy price add freight.I wonder if the saving is enough to justify taking business offshore,and doing a local supplier without just one more sale.