NFC, Devices are placed in close proximity within line of sight for sharing data wirelessly, IR, Devices use haptic confirmation for sharing data wirelessly, Tethering, Devices are connected via a wire for sharing data or connectivity, Bluetooth, Devices are paired using a code for sharing data wirelessly, ZigBee, An open standard based on the IEEE 802.15.4 PAN standards, maintained by the ZigBee Alliance. Use a variety of ISM bands with 2.4 GHz and 915 MHz bands, Z-Wave, A proprietary wireless standard maintained by Silicon Labs, supports throughput up to 40 kbps over distances of 10-100m, uses the 800-900 MHz ISM bands

A+ Exam - Wireless technologies

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