Antenna window and antenna pattern for electronic devices and methods of manufacturing the same

A housing for an electronic device, comprising:

• a first metal portion forming a first section of an outside surface of the electronic device;
• a second metal portion separated from the first metal portion and forming a second section of an outside surface of the electronic device;
• and
• an insulative material positioned between the first and the second metal portions such that the first metal portion is electrically insulated from the second metal portion, wherein the second metal portion provides structural support for the housing and forms a radio frequency (RF) antenna.

An electronic device, comprising:

• a housing comprising:
• a first metal portion having a first interior surface opposite a first exterior surface, the first exterior surface forming a portion of a back surface of the electronic device;
• a second metal portion, forming a radio frequency (RF) antenna having a second interior surface opposite a second exterior surface, the second exterior surface forming a portion of the back surface of the electronic device;
• an insulative material positioned between the first and the second metal portions;
• and
• a display cover attached to the housing and forming at least a portion of a front surface of the electronic device.