DX Antenna CS/BS-IF/TV Booster CW40MSG Power-on confirmed. [Product Description] This booster amplifies CS/BS-IF and CATV signals, supporting 4K8K satellite broadcasts (3224MHz) and CATV (962MHz) in both directions. It is used to strengthen radio waves when the TV signal is weak or when it needs to be sent to multiple TVs. This product has a high-shielding structure, making it less susceptible to and less likely to be affected by radio waves from Wi-Fi, mobile phones, professional radio, and amateur radio, etc.