1 CABLE SOLUTION FOR SIMPLE RETROFIT INSTALLATION; CABLE CARRIES OFF-AIR SIGNALS, ROTATOR POWER, CONTROL & PRE-AMP POWER; UP TO 200 FT WITH SOLID COPPER RG6 & UP TO 75 FT WITH COPPER COVERED STEEL RG6; HALL SENSOR CONTROL COUNTS EVERY MOTOR REVOLUTION FOR A 2º RETURN ACCURACY; SELF-SYNCHRONIZING SENSOR AT NORTH RESETS THE DISPLAY TO 000º EACH TIME THE UNIT PASSES NORTH; HIGH TORQUE WILL HANDLE ANTENNAS WITH UP TO 133º BOOM LENGTH; 17V DC AT UP TO 50 MA; PRE-AMP POWER IS SWITCHED OFF AUTOMATICALLY WHEN NOT IN USE