A wireless vehicle communication system for vehicle , the wireless communication system having: a plurality of wireless communication units located in or attached to the vehicle , wherein each of the plurality of wireless communication units is configured to operate in: a first communication mode in which each of the plurality of wireless communication units wirelessly transfers data to a communication unit located in a vicinity of the vehicle at a first frequency; and a second communication mode that wirelessly transfers data to at least one other of the plurality of wireless communication units in an adaptive frequency or in an adaptive channel, thereby to distribute received data obtained in the first communication mode of operation, wherein the plurality of wireless communication units includes a master unit and at least one slave unit , wherein each slave unit is configured to re-transmit, using the second communication mode, respective data obtained using the first communication mode, to the master unit , wherein at least one wireless communication unit of the plurality of wireless communication units is operable to monitor a received signal strength indication and/or received bit error rates on a per used frequency band or channel basis, to build up a history of performance to predict a most likely interference-free frequency band or channel, and wherein the master unit is configured to re-configure one or more of the slave units to change its adaptive frequency band or adaptive channel to said most likely interference-free frequency band or channel. a plurality of wireless communication units located in or attached to the vehicle , wherein each of the plurality of wireless communication units is configured to operate in: a first communication mode in which each of the plurality of wireless communication units wirelessly transfers data to a communication unit located in a vicinity of the vehicle at a first frequency; and a second communication mode that wirelessly transfers data to at least one other of the plurality of wireless communication units in an adaptive frequency or in an adaptive channel, thereby to distribute received data obtained in the first communication mode of operation, a first communication mode in which each of the plurality of wireless communication units wirelessly transfers data to a communication unit located in a vicinity of the vehicle at a first frequency; and a second communication mode that wirelessly transfers data to at least one other of the plurality of wireless communication units in an adaptive frequency or in an adaptive channel, thereby to distribute received data obtained in the first communication mode of operation, wherein the plurality of wireless communication units includes a master unit and at least one slave unit , wherein each slave unit is configured to re-transmit, using the second communication mode, respective data obtained using the first communication mode, to the master unit , wherein at least one wireless communication unit of the plurality of wireless communication units is operable to monitor a received signal strength indication and/or received bit error rates on a per used frequency band or channel basis, to build up a history of performance to predict a most likely interference-free frequency band or channel, and wherein the master unit is configured to re-configure one or more of the slave units to change its adaptive frequency band or adaptive channel to said most likely interference-free frequency band or channel. <EOS>