josephchrzempiec:
I live in the USA we use 315mhz 433mhz and i have seen 915mhz devices here.
I guesse
josephchrzempiec:
I live in the USA we use 315mhz 433mhz and i have seen 915mhz devices here.
I guessed that those 3 are in use in the US, but which of them is permitted ?