The U740 is the European variant of the U730, and "on HSDPA/UMTS 2100 MHz and EDGE/GPRS 900 and 1800 MHz in Europe, the Middle East, and Africa and EDGE/GPRS 850, 900, 1800, and 1900 MHz in North America. It is tailored to the European market and can roam in North America where roaming agreements exist.". It is indirectly (i.e., unofficially) supported in Mac OS X 10.4.7 thanks to the existing U730 support.