1) Wall plug type adapter 2) Input: AC 100-240V, 47-63Hz 3) Output: DC 3.0-24.0V, 0.3-1.5A 4) AC inrush current Mobile Antena Signal Booster1) If you have coaxial cable runs longer than 30 feet, if you have split your signal multiple times, or if you can't get good strenght signal from your dish antenna,you must add a signal amplifier to compensate for your picture, sound, and overall signal. Our ...