The coupler of the present invention couples data signals, such as broadband RF signals, to and from a power line. The coupler of one embodiment that is for use with overhead power lines includes a length of URD MV cable with the neutral conductor removed. Each end of the URD cable is communicatively...http://www.google.de/patents/US7307512?utm_source=gb-gplus-sharePatent US7307512 - Power line coupling device and method of use
