Systems and methods of a portable device roaming between a plurality of access point devices with which the portable device is enrolled are provided. Some methods can include the portable device saving a respective network parameter of each of the plurality of access point devices, the portable device traversing a plurality of channels in which the plurality of access point devices operate, the portable device operating in a respective one of the plurality of channels to receive a packet from a respective one of the plurality of access point devices, the portable device comparing a received network identifier in the packet with the respective network parameter of each of the plurality of access point devices as saved, and responsive to a match, the portable device transmitting a command signal to the respective one of the plurality of access point devices.