The ETravelSim Bahrain eSIM works at the Bahrain International Circuit in Sakhir on 4G/LTE and 5G, including the main grandstands, paddock area, and surrounding fan zones. Network providers in Bahrain consistently expand capacity around the F1 weekend in March because of the traffic surge. Expect occasional congestion in the busiest grandstand sections during peak race hours, which is normal for any major event venue worldwide. Coverage on the drive in and out from Manama stays consistent.