A fixture is provided for functional testing of an assembled wireless device. The wireless device has a first port and a second port. The fixture comprises: a base having an opening formed therein for receiving a retainer, the retainer being rotatably mounted in the opening for rotating from a first position to a second position, the retainer for receiving the wireless device while in the first position; a first connector mounted in the retainer for engaging the first port of the wireless device when the wireless device is received by the retainer in the first position; and a second connector rotatably mounted on the base, the second connector for engaging the second port of the wireless device when the retainer is rotated to the second position.