The first wireless telephone conversation occurred in 1880 when Alexander Graham Bell and
A … See more

Wireless communications can be via:
Radio and microwave communication carry information by modulating properties of electromagnetic waves transmitted through space. Specifically, the transmitter generates … See more

Common examples of wireless equipment include:
• Infrared and ultrasonic remote control devices
• Professional LMR (Land Mobile Radio) and SMR (Specialized Mobile Radio) are typical… See more

AM and FM radios and other electronic devices make use of the electromagnetic spectrum. The frequencies of the radio spectrum that are available for use for communication are treated as a public resource a… See more

One of the best-known examples of wireless technology is the mobile phone, also known as a cellular phone, with more than 6.6 billion mobile cellular subscriptions worldwide as of the end of 2010. These wireless ph… See more

• Cellular networks: 0G, 1G, 2G, 3G, 4G, 5G, 6G
• Cordless telephony: DECT (Digital Enhanced Cordless Telecommunications)
• Land Mobile Radio or Professional Mobile Radio: TETRA, P25, OpenSky, EDACS, DMR, dPMR… See more