It is provided a method for performing a radio frequency scan in a portable electronic device. The location of the portable electronic device is determined. It is defined a search area dependent on the location of the portable electronic device. The portable electronic device receives radio signals from a plurality of other electronic devices to determine the identities of the other electronic devices, the identities of the other electronic devices defining a first group of identified electronic devices. The respective locations of the plurality of other electronic devices are determined. The location of each of the plurality of other electronic devices are compared with the defined search area to create a second group of identified electronic devices, wherein the second group is a subset of the first group.