CC3000 WiFi Module Breakout from Sparkfun Supply Voltage: 4.5V - 12V, Host Interface: SPI @ 16MHZ IEEE 802.11 b/g Compliant WEP, WPA/WPA2 (AES and TKIP - Personal) Security Modes FCC, IC, CE, and TELEC Certified Prototyping Area Onboard WIMAX Antenna Optional External Antenna Connection