1. Large range 20 to 50 meter 2. High effective jamming for 10 band frequency, can shield the specific signals as customized and required 3. Original developed IC chip and integrated circuit for stable jamming effect and long life span 4. Easy operation 5. Durable ABS plastic can transmit signal through easily, also with nice heat dissipation effect 6. Quickly blowing heat away fast with built-in fans and ventilation holes at both side and back for long time non stop use 7. Latest design of white concise shape, can combine with most modern classroom office home style decoration
The frequency&channel quantity is customized for different country frequency and customer specific need.