wireless network

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Mobile phones

james robinsonにより

Estimote App

Gerhard Groenewald-Lootsにより

Mobile phones

Bruce Hutchingsにより

Wi-Fi Radiaton Risks Disputes & Rebuttles

Michael Fattalにより

They have a coverage area of a few meters

Bluetooth

Wi-Fi Direct

WPAN: Wireless personal area network

A type of connection aimed at a small radius where one or more devices can communicate without the need for any wiring

They have a coverage area between 30 and 100 meters

WI-FI

WLAN: wireless local area network

It is a local area network that connects computers without the need for cables

They have a coverage area between 4 and 10 kilometers

WIMAX

WMAN: Wireless metropolitan area network

Allow users to establish wireless connections between multiple locations within a metropolitan area

It has a connectivity of many kilometers

loT

LTE+

LTE

EDGE

UMTS+

UMTS

GPRS

WWAN: Wireless Wide Area Network

Provides access to the Internet through a mobile phone network

wireless network

WWAN

WMAN

WPAN

WLAN