Try removing the antenna. I've had MRF-250s quit working when you get 4-5 feet from them and removing the antenna made all the difference. They would work great 5'-60'+ feet away, but not at 5' or less. It isn't common, but I've had it happen to me on an occasion or two.
There are 10 types of people in this world, There are those who understand binary, and those who don't!
