: Integration of Bluetooth 4.0 for hands-free operation and wireless accessory support.
: Features a built-in 4W speaker , reducing the need for additional external hardware.
: The R4.0 version includes DMO Gateway and Type 1A Repeater functions to extend coverage to areas with poor signal. 3. Key Features & Specifications Specification RF Output Power 10W (adjustable) Frequency Bands
: Updated support for GPS, GLONASS, and Beidou for global positioning.