A computer implemented method comprising receiving, for each of a plurality of wireless routers, location, connection time, wireless band and wireless channel information, calculating, for each of the plurality of wireless routers, a congestion quotient from the received location, connection time, wireless band and wireless channel information, the congestion quotient defining the likelihood of destructive interference at the respective wireless router, identifying a wireless router with a congestion quotient greater than a predetermined threshold, determining changes in wireless band and/or wireless channel for the identified wireless router that would lower the congestion quotient for the identified wireless router, and transmitting the determined changes to the identified wireless router.