Short Range Wireless
1) BLE — Bluetooth Low Energy:
Low power variant to classic Bluetooth with a comparable communication range.
2) LiFi — Light Fidelity:
Wireless communication similar to wifi, use visible light communication for increased bandwidth.
3) NFC — Near Field Communication
it is a one kind of device or card that has 4cm range.
4) QR Codes and Barcodes
machine readable optical tags that store information about items.
5) RFID — Radio Frequency Identifier
Using electromagnetic field to read data stored in tags enabled in tag embedded in other item.
6) WiFi — Wireless Fidelity
use for LAN, devices may communicate through a shared access point.
7) Z-Wave
communication protocol providing short rang, low latency data transfer at rate and power consumption than WiFi used primarily a shared access point.
8) Zig Bee
communication protocol for personal area networking low power consumption, low data rate, low cost and high throughput
IOT notes by Parita 