This is a comprehensive signal jammer with excellent performance. This product is well designed and can effectively interfere with and shield wireless signals of various frequencies, providing a safe and private communication environment. It supports attacks and detection in all frequency bands, has powerful interference capabilities, and can block signals within the range to protect your communication content and location privacy. Whether used in a conference room, office, vehicle or any other place, it can effectively block surrounding signal interference.This product uses advanced technology and high-performance circuit design to jam signals within range. It has excellent performance and can block signals such as mobile phone communications, data transmission, and GPS positioning to ensure the security of your communications. Its high-performance battery ensures long-term use without the need for frequent charging or battery replacement.