darkspineshadow asked:
I was wonder how they work. They could be standing right next to each other and they need to use the codecs. how can the person speak into it. They are made so only the person who’s ear it is in hears it but other people can hear the person talking and how can they change the frequency on it.
I was wonder how they work. They could be standing right next to each other and they need to use the codecs. how can the person speak into it. They are made so only the person who’s ear it is in hears it but other people can hear the person talking and how can they change the frequency on it.