The Prestta WLAN Embedded Antennas from AVX Corporation have been developed for WLAN, 82.11a/b/g/n +Japan applications. The 1146 is a stamped metal antenna based on AVX Corporation IMD (Isolated Magnetic Dipole) Technology that provides superior RF field containment, resulting in less interaction with surrounding components. It provides a gain of 1.5 to 3.5 dBi with an efficiency of up to 81%. The antenna measures 17.9 x 6.9 x 4.3 mm (L x W x H), weighs .33 g and can be used in routers, industrial handhelds and WiFi enabled televisions & monitors.