I WANNA KNOW HOW TO IMPLEMENT A WIRELESS TECHNIQUE........... CAN U SEND ME THE LIST OF EQUIPMENTS AND THE PROCESS TO IMPLEMENT WIRELESS TECHNIQUE, i.e., TWO CIRCUITS, ONE CIRCUIT CONSITS OF A BELL,WHENEVER ANOTHER CIRCUIT CLOSES, THE BELL 'LL RING.... BUT THERE SHOULDN'T BE ANY ELECTRICAL SIGNAL BETWEEN TWO CIRCUITS........
