Logic Board (1GHz, Dual Core Cortex-A9) 820-3403-C

Onboard CPU : 1GHz Dual-Core Cortex-A9
Onboard RAM : 4GB (512MB) DDR3 SDRAM
Ports : 3 Gigabit ethernet LAN & One USB 2.0
Dual-band amplifiers : 2.4GHz & 5GHz WLAN
WiFi Protocol : IEEE 802.11a/b/g/n/ac