Cobra Wave (2010-4-27)
Cobra Wave
What blocks 2 way radio waves?
Aluminum foil? PVC? Wood? Plastic? Copper? any metal? MicroTALK 2-way Cobra radio is what im using.
Metal acts as a shield. Al foil or copper would work. But it need not be continuous, may be a mesh, provided and when the holes in the mesh are smaller [...]