Single-Band - definition
Single band is the term which is mostly used in Wi-Fi routers. Also, it is used in mobile networks. For example: We seen a lot of single band Wi-Fi routers. What means the router can transmit signal in only one frequency band which is either 2.4 GHz or 5 GHz. In dual band, router has the ability to transmit both of the signal frequency at the same time over dual channel.