What wireless technology is used by contactless payment services?

  • WiFi
  • Bluetooth
  • IR
  • NFC

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Mobile Devices
Networking
Hardware
Virtualization and Cloud Computing
Hardware and Network Troubleshooting
CompTIA A+ 220-1101
  • Mobile Devices
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  • Networking
  • Hardware
  • Virtualization and Cloud Computing
  • Hardware and Network Troubleshooting