WIZnet WIZ630wi Data Rate: 10/100 Mbps Dimensions: 33 mm x 43 mm x 4.5 mm Frequency Band: 2.4 GHz Interface Type: I2C, UART Maximum Operating Temperature: + 80 C Minimum Operating Temperature: - 30 C Protocol Supported: 802.11 b/g/n Rohs: yes Transmit Power (max): 17 dBm