US Patent 9761931 Wireless network device

A wireless network device including a substrate, a plurality of antennas, a central antenna and a radio frequency (RF) transceiving module is provided. The antennas are disposed near an edge of the substrate. The central antenna is disposed near a central point of the substrate. The RF transceiving module is coupled to the antennas and the central antenna. In a first mode of the wireless network device, the RF transceiving module receives and transmits signals through the antennas. In a second mode of the wireless network device, the RF transceiving module receives and transmits the signals through a part of the antennas and the central antenna.