Looking for an power jammer of multiple functions? How about trying this
High Power Jammer? they works with really high efficiency and are selling at good price now, with the high-tech manufacturing,
signal jamming will be accomplished without transmission loss, and they work with good performance in various relative activities, if you are looking for one, hope this will help!
gps jamming devices are radio frequency transmitters that intentionally block, jam, or interfere with lawful communications, such as cell phone calls, text messages, GPS systems, and Wi-Fi networks.