On February 5, 2018 at 05:24, Ernie Gilman said...
The 433 MHZ products are not legal to use in the US. You'll probably never get caught, though.
Not sure where you get that info from. Those products have been for sale for years (10+) in the U.S. by URC. Crestron and RTI are 434 MHz...is that illegal too?