Advantages: 3 bands handheld design high power blocking drone UAV GPS, RC2.4G 5.8G signals 20 watts high output power, build in high gains directional antennas Jamming distance 200 to 500 meters Battery capacity LCD display (Capacity percentage, working Voltage/Current) ABS Shell with good cooling system with cooling fans inside and bigger hot sink With DIP switch, can turn on/off any signal band without affect other bands With built-in bigger battery, can work 120 minutes, Easily repeated charging 1.0kg light weight easily portable and using