The $802\mathrm{.}11$ protocol will not completely break down in this situation. However, there will be interference as both ISPs are operating on the same channel. The $802\mathrm{.}11$ protocol uses a method called CSMA$/$CA $($Carrier Sense Multiple Access with Collision Avoidance$)$ to handle such situations. When two stations associated with different ISPs attempt to transmit at the same time, each station will listen to the channel before transmitting. If the channel is busy, the station will wait for a random backoff period before attempting to transmit again. This process will continue until the channel is free and the station can transmit. This can lead to reduced throughput and increased latency due to the constant need for stations to wait and reattempt