RoamTheWorldCellPhones.com

Cellphone GSM Frequencies: 900/1800

(This means you will need a GSM cellphone that will work on 900MHz or 1800Mhz to use it in Bahrain.)

Cellular carriers for Bahrain

Bahrain Telecommunications Company (BATELCO)

Frequency: GSM 900
Website: www.batelco.com.bh

Coverage Map

Zain Bahrain B.S.C (zain BH)

Frequency: GSM 900/1800
Website: www.bh.zain.com

Coverage Map

If you've used either of these networks or roamed in Bahrain, please post about your experience and the cost. Feel free to ask questions.