Oman

You can buy a SIM card for about 4.34 OMR, which includes 1 GB of data plan. You can choose from 2 telecoms: Omantel or Ooredoo.

Oman uses GSM mobile networks GSM 900.

If you don't want to buy SIM card in Oman upon arrival, make sure to check the roaming charges with your telecom provider before your departure so there are no surprises when you return home.