Bob you might get your receiver clobbered, (interfered with), at 433 mHz. It all depends if you live in a ham populated area. The ham band starts at 430 mHz thus you would be up 3 mHz in the ham band. I don't see any disadvantage of using 418 mHz, but then what do I know? Good luck..==Mac== At 11:58 AM 3/24/98 -0800, you wrote: >Does anyone know, offhand, the pros and cons of 418 MHz vs 433 MHz >transmission? Specifically in reference to the choice of Linx Technologies >RF modules and their use in the U.S. > >I've heard that ham radio operators don't like 433 MHz clutter, but is 418 >MHz a better choice? > >Thanks, > >Bob > From ==Mac== of the Great State of TEXAS w5tnj@camalott.com (Old, old call) Present call AG5F (for you ARO's)