The present inventions disclose several small printed antennas for wireless communication devices. These antennas, including a broadband circularly polarized antenna,  a dual-band antenna and three dual broadband antennas, can find applications in satellite positioning and communications for GPS, GLONASS, GALILEO, INMARSAT, and LTE/WWAN systems respectively. They not only have simple structure and low cost but can also be employed for civilian and military devices or facilities.

The present inventions disclose several small printed antennas for wireless communication devices. These antennas, including a broadband circularly polarized antenna,  a dual-band antenna and three dual broadband antennas, can find applications in satellite positioning and communications for GPS, GLONASS, GALILEO, INMARSAT, and LTE/WWAN systems respectively. They not only have simple structure and low cost but can also be employed for civilian and military devices or facilities.

本發明天線可應用於無線廣域網路中的可攜式電子裝置，俾能內藏或隱藏於短小輕薄的可攜式電子裝置內。