| 摘要 |
A device for providing wireless communication is disclosed. The device includes a retractable antenna connected to modem and PC card. The retractable antenna has a locking mechanism for providing a snap lock to maintain the antenna in the extended position during ordinary use and allowing retraction of the antenna by force when not in use. The retractable antenna has an antenna sleeve which receives the antenna and locks the antenna in the extended position. The antenna also has a pivotal connection for pivoting the antenna and a rotatable connection for rotating the antenna in a direction which differs from the direction of rotation. The antenna is rotatable about two axes and is retractable. In the extended position, the antenna is electrically connected with the PC card and can receive and transmit signals. |
