Advantages: 1. High-power design, single channel maximum 5W (5G frequency power is slightly lower), total maximum total power up to 50W 2. Aluminum alloy shell, wear-resistant and scratch-resistant, sturdy and durable 3. The fan cooperates with the heat dissipation space and the aluminum alloy body to dissipate heat in all directions 4. It can accommodate up to 10 signal frequency bands, which can cover as many signals as possible, and can also do multiple frequency bands in a single channel, and the effect is doubled 5. Compact design, easy to place in any position without taking up space 6. One-key switch, easy to use, support 24 hours of uninterrupted work 7. Suitable for schools, conference rooms and other occasions