Re: Transmission distance is very short? Reply #15 – October 25, 2010, 11:56:31 pm [quote author="emente"]The SFH-480 LED sucks.[/quote]Was it perhaps soldered in backwards when you first got it? I had to flip mine around because the screen print legend was opposite of what it should be, and early manufacturing followed the screen rather than the Gerbers. Last Edit: January 01, 1970, 01:00:00 am by Guest