Feature: 1. Wireless BT Connectivity: Realizes wireless connection between the FT 891 radio signal and mobiledevices or computers via BT, eliminating the requirement for cables and reducing interference with other electronic devices. 2. Integrated BT Control and Radio Management: Combines audio and ComputerAided Tuning command transmission through a single BT connection, allowing for control and management of the radio's functions from a mobiledevice or PC. 3. Enhanced Compatibility and Stability: Providing stable connectivity, reducing issues related to weak signals or background noise affecting decoding capabilities. 4. Increased Convenience and Flexibility: Enables users to adjust settings, master radio status, and operate the radio from a distance, even in another room, providing greater convenience during operating. 5. Customizable Settings and Compatibility: Offers customizable settings for superior performance, such as adjusting the size of DATA and SSB signal levels. Ensures fluent operating with for Android based smartphones and tablets when using apps like FT8CN, providing a consistent user experience for amateur radio enthusiasts. Specification: Name: BT Adapter Material: plastics BT version: BT 4.2 Transmitting distance: 10m Sensitivity: -87dbm Current: 30MA . Package List: 1 * BT Adapter