Embedded antenna solutions provider for wideband and multi-band wireless devices Ethertronics introduced its third-generation, quad-band Wi-Fi/WLAN internal antenna solution. The solution—designed to operate on 2.4, 4.9, 5.2 and 5.8 GHz spectrum bands—is based on the company’s Isolated Magnetic Dipole technology that is used in mobile phones, access points and industrial hand-helds, according to the company.