So as being reported here and here its worth considering some cultural sensitivities before getting down to some heavy petting in Petra, having a jump in Jumeirah, or orgasming in Oman. Such activity may be happily entertained or even encouraged in certain places in the Med but you dont need to have a phd in middle eastern studies to know that any open sexual activity may not go down too well in arab islamic countries. Especially if you are caught.

Etisalat (GSM) in UAE offer a ‘Wasel’ card which is for travellers and visitors. It is very easy to get one and you can get one on entry at all airports and at the major shopping centres.
Wasel cards are prepaid and can be bought in 25 and 40 AED denominations. To keep your Wasel card activated you have to pay a renewal fee of 100 AED a year (about $30 US)
The Wasel card should roam automatically if it is still activated with credit, but check with whoever you are buying …