System for wireless communication comprising a group of wireless devices (110,120,130,140) and a portable device, each device comprising a radio transceiver for wirelessly exchanging data with the other devices, - a first wireless device of the group accommodating a first host function and a second wireless device of the group accommodating a second host function, the first and second wireless devices being the same wireless device or different wireless devices; - the group of wireless devices (110,120,130,140) sharing first secret data and configured for wireless communication to the first wireless device accommodating the first host function via respective first secure connections based on the first secret data; the portable device comprising a device communication processor for - setting up a second secure connection with the second wireless device accommodating the second host function using a pairing procedure based on second secret data different from the first secret data, - receiving a second instruction via the second secure connection, and, according to the second instruction, - setting up a respective direct wireless secure connection with at least one wireless device (110,120,140) of the group using a respective pairing procedure based on third secret data, the third secret data differing from the first secret data; the second wireless device accommodating the second host function comprising a host communication processor for - setting up the second secure connection with the portable device using the pairing procedure based on the second secret data, - transferring to the at least one wireless device via the first secure connection a first instruction to apply the third secret data transferred in the first instruction for setting up a direct wireless secure connection with the portable device, and - transferring to the portable device via the second secure connection a second instruction to apply the third secret data transferred in the second instruction for setting up the direct wireless secure connection with the at least one wireless device based on the third secret data; the at least one wireless device comprising a communication processor for - receiving the first instruction via the first secure connection, and, according to the first instruction, - setting up the respective direct wireless secure connection with the portable device using a respective pairing procedure based on the third secret data. - a first wireless device of the group accommodating a first host function and a second wireless device of the group accommodating a second host function, the first and second wireless devices being the same wireless device or different wireless devices; - the group of wireless devices (110,120,130,140) sharing first secret data and configured for wireless communication to the first wireless device accommodating the first host function via respective first secure connections based on the first secret data; - setting up a second secure connection with the second wireless device accommodating the second host function using a pairing procedure based on second secret data different from the first secret data, - receiving a second instruction via the second secure connection, and, according to the second instruction, - setting up a respective direct wireless secure connection with at least one wireless device (110,120,140) of the group using a respective pairing procedure based on third secret data, the third secret data differing from the first secret data; - setting up the second secure connection with the portable device using the pairing procedure based on the second secret data, - transferring to the at least one wireless device via the first secure connection a first instruction to apply the third secret data transferred in the first instruction for setting up a direct wireless secure connection with the portable device, and - transferring to the portable device via the second secure connection a second instruction to apply the third secret data transferred in the second instruction for setting up the direct wireless secure connection with the at least one wireless device based on the third secret data; - receiving the first instruction via the first secure connection, and, according to the first instruction, - setting up the respective direct wireless secure connection with the portable device using a respective pairing procedure based on the third secret data.