1. Yes 2. Yes, it works on the Belgium. Please check the supported bands with your carrier. 4G BANDS LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 14(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500), 46(5200), 48, 66(1700/2100) 5G BANDS TDD Sub6 N78(3500) 3. Shipping Handling (6-8 Working Days) EXPRESS - PREMIUM SERVICE (3-4 Working Days)