Compact & cost saving new solution to hotels and visitors! BYOD is a hotel solution with advanced connectivity allow private mobile phones to link with. This new solution provides the benefits of Hygienic , Mobility , and Convenience to all the hotel guests. Once the guests enter the guestroom and connect their smart phones to BYOD master through WiFi, guests are able to use their smart phone as an extension to call or access the various hotel guest services at anything anywhere in a wide operating zone with stable conversation quality.