Sorry, but I wonder if You got my first post right, from the text, because I did not specify that after the receiver, and ?? amplifier, bluetooth signal would travel to the surface via cable, not through the water as rf.
Sorry, but I wonder if You got my first post right, from the text, because I did not specify that after the receiver, and ?? amplifier, bluetooth signal would travel to the surface via cable, not through the water as rf.