Patent ID: 8862072
Filing Date: 2014-10-14
Classification: H01Q

Abstract:
1. An information handling system comprising: a housing; processing components disposed in the housing and operable to process information; a wireless network card disposed in the housing and interfaced with the processing components and operable to communicate the information as wireless signals supported by a first mobile cellular telephone broadband provider in a first frequency range and a second mobile cellular telephone broadband provider in a second frequency range; an antenna disposed in the housing and interfaced with the wireless network card, the antenna operable to transmit and receive the wireless signals; an analog tuning circuit interfaced with the antenna, the analog tuning circuit having plural tuning states, each tuning state associated with a frequency range including at least a first tuning state frequency range of 704 MHz to 746 MHz and a second tuning state frequency range of 746 MHz to 787 MHz, at least one of the tuning states set by inputting a direct current bias to the analog tuning circuit; and an antenna controller interfaced with the wireless network card and the analog tuning circuit, the antenna controller having firmware operable to selectively input the direct current bias to the analog tuning circuit to select a tuning state of the antenna for the wireless network card to communicate through the first or second frequency range based upon whether the wireless network card is communicating supported by the first or second mobile cellular telephone broadband provider; wherein the antenna controller is further operable to receive firmware updates to adjust the antenna to a third tuning state for a third frequency range of a third mobile cellular telephone broadband provider by adjusting the level of direct current bias to the analog tuning circuit, the third tuning state frequency range of 824 MHz to 960 MHz, 1710 MHz to 2170 MHz and 2500 MHz to 2690 MHz, the third tuning state dividable into two or more sub-states.