Features
Bring WiFi connectivity via Serial Host Interface, compatiable with Arduino
Quick Booting Time : under 20msec
Ultra Low Power through Dynamic Power Management (34µA at the Standby mode)
Operates with standard 802.11b/g/n access point at speed up to 11Mbps (802.11b)
Security Protocol : WEP, WPA/WPA2-PSK, Enterprise, EAP-FAST, EAP-TLS, EAP-TTLS, PEAP
Operation Temperature : -40℃ ~ 85℃
Compact Size : 32 x 23.5 x 2.9 (mm)
CE, FCC, KCC Certified
Supports the module with chip antenna
802.11b/g/n

Specifications
Wifi Chip: WizFi210
Radio Protocol: IEEE 802.11b/g/n Compatible
Supported Data Rates: 11, 5.5, 2, 1 Mbps (IEEE 802.11b)
Modulation: DSSS and CCK
RF Operating Frequency: 2.4 - 2.497 GHz
Antenna Options: Chip antenna and U.FL connector for external antenna
Networking Protocols: UDP, TCP/IP (IPv4), DHCP, ARP, DNS, HTTP/HTTPS Client and Server(*)
Power Consumption(Typical): Standby = 34.0 µA Receive = 125.0 mA Transmit = 135.0 mA
RF Output Power (Typical): 8dBm ± 1dBm
Security Protocols: WEP, WPA/WPA2–PSK, Enterprise, EAP-FAST, EAP-TLS, EAP-TTLS, PEAP
I/O Interface: UART, SPI(*), I2C(*), WAKE, ALARM, GPIOs
Power Source: 3.3V
Dimensions(except Antenna): 59 x 54 mm
For more information, please visit this products data sheet.