The 1000423 from AVX is an Embedded Stamped Metal Antenna that operates from 2400-2485 MHz / 5150-5850 MHz. This internal (off board) antenna has a peak gain of up to 4.5 dBi and efficiency up to 75%. It measures 40 x 15 x 6.4 mm and is available with screw mount, cable and connector mounting options. The antenna can be used for Dual-Band Wi-fi, Bluetooth and ZigBee applications.