You are setting up a Wi$-$Fi network in your new coffee shop, which is located in a historic building with thick brick walls. You need to ensure that the Wi$-$FI signal is strong and reliable throughout the shop, including an outdoor seating area.

Considering the building's construction and the need for outdoor coverage, which of the following actions would BEST address your needs?

Use a $5$ GHz Wi$-$Fi router for its faster data rates.

Use Bluetooth devices to extend the Wi$-$Fi range.

Use a $2\mathrm{.}4$ GHz Wi$-$Fi router to better penetrate the thick brick walls.

Install fluorescent lighting to improve signal strength.