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The backup battery (3V) is used to ensure the RTC (frequency 32.768KHz) is still able to work after
power off. Lithium cell model: CR1220.
3 Product Configurations
3.1 Standard Contents
• EM3288 board
x1
• CD-ROM (Android BSP, Ubuntu BSP, Documents, tools, Schematic Drawing, datasheets)
x1
• Ethernet cable
x1
• Serial Cable
x1
• USB Cable
x1
• 5V/2.5A DC power adaptor
x1
3.2 Optional Parts
• USB camera Module
• WiFi & Bluetooth Module
• GPS Module
• LCD Module (10.1-inch HD capacitive screen)
• 3G Module (MF210)