BEA
Junior Member level 2
Hi,
I'm about to design a tracking device to be used by equipment located below ground. There will be a transmitter below ground and a handheld receiver. Where to find information about radio frequency attenuation in different media? Can I use 868Mhz or will more LF like 32768Hz work better?
I'm about to design a tracking device to be used by equipment located below ground. There will be a transmitter below ground and a handheld receiver. Where to find information about radio frequency attenuation in different media? Can I use 868Mhz or will more LF like 32768Hz work better?