A power saving station integrates a low power consumption wake-up receiver with wideband wireless of main radio. The low power wake-up receiver of power saving station receives a wake-up request signal sent from the wireless network and wakes up the main radio of the station to communicate with the wireless network over wideband frequency channel. The wake-up request signal is transmitted over a narrow band frequency channel and can be addressed to a single station or multiple of stations via OFDMA in wideband channel.