In addition to all the most commonly used functions, the handheld jammer also has a unique built-in cooling system that can work directly from the main power source like a normal desktop jammer. According to customers who have used these stoppers, portable signal jammer are perfect for personal use as well as in cars, offices and homes. However, the most important and useful benefit of this jammer is that the specially designed antenna is extremely destructive. These antennas are made of strong rubber to prevent damage. Incidentally, there are also mobile phone blockers with similar functions.
