Many of the cordless telephones and baby monitors in the United States and Canada use the 2.4 GHz frequency , the same frequency at which Wi-Fi standards 802.11b, 802.11g and 802.11n operate.
Many of the cordless telephones and baby monitors in the United States and Canada use the 2.4 GHz frequency , the same frequency at which Wi-Fi standards 802.11b, 802.11g and 802.11n operate.