Welcome to our store! 1COMPACT AND PORTABLE: This WiFi interceptor is lightweight and compact, making it easy to carry and plug and play. 2POWERFUL FUNCTION: The WiFi Bluetooth interceptor has a strong ability to block WiFi signals and is easy to use. 3APPLICABLE SCENARIO: This WiFi signal interceptor is suitable for offices, schools, and other professional fields. 4TECHNICAL PARAMETERS: The WiFi Bluetooth interceptor frequency parameter is 24002485MHZ, with a shielding radius of 510 meters, ensuring safe and effective operation. 5EASY TO USE: This U disk type WiFi interceptor supports plug and play, making it very convenient for you to use. Item Type: WiFi Interceptor Model: W1 Frequency Parameter: 2400-2485MHZ Shielding Radius: Approx. 5 ~ 10 meters / 16.4 ~ 32.8 ft Use: Plug and play 1 x WiFi Interceptor