Adafruit CC3000 Wi-Fi Shield for Arduino with Onboard Ceramic Antenna

This Arduino shield from Adafruit features TI’s CC3000 Wi-Fi module with an onboard ceramic antenna, a microSD card socket, and a designated prototyping area. The CC3000 uses SPI for communication instead of UART, so the communication speed is not limited to a fixed baud rate. It supports 802.11b/g, open/WEP/WPA/WPA2 security, TKIP, and AES, and a built-in TCP/IP stack with a BSD socket interface supports TCP and UDP in client and server mode with up to 4 concurrent socket connections. An Arduino library and example sketches make it easy to get started.