Actually the local authority is licensing frecuencies 5.150 to 5.250 MHz and 5.350 to 5.460 MHz for public Internet deployment on cities and small towns. Here's the official document (in spanish)...

I'm from Bolivia and I purchased 2 Two Pack of Deco X50 -PoE's for my home through an authorized reseller. In my country the available channels are 149-165, my Samsung Galaxy A52 and S21 can't...

@Rikki9 are you sure you have a TL-SF1005P switch? Because that model it's fast Ethernet it works only up to 100 Mbps. You need a gigabit switch to achieve higher speeds.