Mobile Device Accessories

Question 1

Near Field Communication

NFC

Answer 1

• Send small amounts of data wireless over a limited area
  
  • Built into your phone
  • Payment systems (apple pay) , transportation
• Access token - identity “card”
  
  • Short range with encryption

Question 2

Micro-USB & Mini USB

Answer 2

• EU standardizes on Micro - USB
  
  • Common now worldwide
• Older devices still use Mini USB
  
  • Slightly larger

Question 3

Lightning (Apple)

Answer 3

• Apple proprietary
  
  • 8 pin digital signals
  • iPhone , iPad , iPod devices
• Some advantages over Micro-USB
  
  • High power output
  • Can be inserted either way
  • Simpler design , more durable

Question 4

Bluetooth

Answer 4

• High speed communication over short distance
  
  • PAN (Personal Area Network)

-Connects over mobile devices

Question 5

Hotspot / Tether

Answer 5

• Turn your phone into a wifi hotspot
  
  • Personal wireless router

-Dependent on phone type & provider

Question 6

Headsets

Answer 6

• Hands free audio
  
  • Earphones & microphones

-Wired

• Connects to TRRS connector
  
  • Tip - Ring - Ring - Slave
• Wireless
  
  • Bluetooth