6.How is the RF signal quality of LC-BT2? Is the connection stable?

The range of the Bluetooth signal transmission could maximize to 30 meters in broad spaces while partitioned over obstacles like human or physical objects, it is available within 10 meters. However, due to the complexity of the Bluetooth spectrum and the environment, it might happen to meet unstable connection and shorten the connection distance. In the place like high-speed rail station or airport where there is a signal shield installed, there might be some problems with the Bluetooth connection.