neazoi
Advanced Member level 6
Hi, many times I come accross a difficult problem. I need to transfer voice or data from inside the house to outside and vice versa. The problem is that drilling a hole through the wall is unacceptable. On the other hand, no RF must exist inside the house, apart from the through-wall point (or very close to it) where the inside and outside devices communicate. In other words, if RF is to be used it must be constrained only to the path through the wall and not the surroundings.
How yould you solve such a problem?
Some ideas:
Magnetic coupling? (AM ferrite loop antennas)
Some kind of very directive RF?
Hypersonic?
Vibration?
How yould you solve such a problem?
Some ideas:
Magnetic coupling? (AM ferrite loop antennas)
Some kind of very directive RF?
Hypersonic?
Vibration?