The NX2016AA series of surface-mount quartz crystals from NDKAmerica are designed for frequency-control applications requiring extremely small size. he crystals measure only 2 x 1.6 x 0.45 mm and operate at fundamental frequencies from 24 to 80 MHz. The tiny resonators are ideal for applications in mobile telephones, Bluetooth, wireless local area network (WLAN) equipment, and ZigBee products. Standard frequencies include 24, 26, 27, 32, and 40 MHz. For more information, visit the NDK website at: http://www.ndk.com