Uses a 14dBi directional high-gain planar antenna in the 2.4-2.5G frequency band Built-in 2.4G ultra-low power wireless module with a 48K digital audio sampling rate Utilizes 2.4G all-digital frequency-hopping modulation communication technology Includes a powerful built-in wireless audio transmission protocol Built-in digital circuitry significantly amplifies the 2.4G wireless signal Connects directly to the host without the need for an external power supply Radiation range of up to 40 meters in a straight line