Posted by Merializer on
URL: https://www.es-forum.com/DIY-alternative-3-in-1-low-EMF-computer-Mouse-Keyboard-Microphone-tp4030078p4030209.html

i also have a "Belkin F8U1500 Infra Red keyboard" (no idea on what hz it operates) but this gives readings on the meter and so should be worse than my other IR keyboard.
This one is also not tolerable for me, instant pain.