QuickerTek today announced two new 7dbi wireless antennas for 15″ and 17″ aluminum PowerBooks. These new antennas offer 7dbi of RF power and are an omni-directional design. “When using multiple wireless networks often, omni-directional antennas are the best performance solution,” the company says. The suggested retail price has been set at US$110 and is backed by a one-year parts and labor warranty.