One of the problems for people who travel out of the U.S. frequently is that many cell phones won’t work in other countries. These users they often have to buy a new phone or carry two devices to stay in contact.

National Geographic and Cellular Abroad have announced a new mobile phone called the Duet travel phone that has a spot for two SIM cards and ships unlocked. The phone can be used with the National Geographic Travel SIM card that allows calls to be made in 185 countries.