X-10 is a power line carrier system developed in 1975 by Pico Electronics in Scotland,
The signals involve radio frequency bursts representing digital information over your electrical wiring.
The technology was sold as Plug 'n Power by radio Shack and Sears.
They went out of business in 2015.

Insteon is a home automation technology developed in 2004 by SmartLabs, marketed and sold by SmartHome.com. Insteon was designed to be backwards compatible with legacy X10 automation systems while expanding home automation capabilities to incorporate new features like wireless communication.

Source: A 2014 white paper by Fuchsia Research Corporation.

Wyze Camera

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