Same question as to noserhodes are you sure it's Freeview?
I don't believe that you can receive Freeview in Portugal, it's received via aerial or built in receivers in UK. Freeview / Home
works on a UK postcode and you'll only get the channels sent out as part of Freeview package, and available to your UK post code.
Freesat will pick up any unencrypted signals, see channels available on Lyng link, Eutelsat 28A & Astra 1N/2A/2B at 28.2°E - LyngSat
Or a good receiver will pick up any FTA channels in excess of 300 most of which you'll want to delete