[usconservative]

According to CNET Amazon is using part of the Amateur Radio 900mhz spectrum for it's "Sidewalk" capability.

I'm a HAM though I don't have 900mhz capabilities to test if this is true or not. If it's true however, I'm shocked (not) the ARRL hasn't launched a lawsuit or protests to stop this.

From the CNET Article:

Amazon Sidewalk taps the 900MHz band of the radio spectrum -- typically used for amateur radio -- to extend the distance at which you can control your smart home devices, Dave Limp, senior vice president of devices and services said during the event. This could have a lot of implications for smart gardens, outdoor lights and mailbox sensors.

You're 100% correct there's no Commercial 900ghz radio frequency, I suspect the original poster had no idea what they were talking about.

There is however a 900mhz spectrum allocation in the Amateur Radio Service that Amazon is infringing upon if this article is accurate.

[Still Thinking]

900 Mhz, not Ghz. 1000:1 ratio. 900 MHz radio is very common.

[IndispensableDestiny]

According to CNET Amazon is using part of the Amateur Radio 900mhz spectrum for it's "Sidewalk" capability. I'm a HAM though I don't have 900mhz capabilities to test if this is true or not. If it's true however, I'm shocked (not) the ARRL hasn't launched a lawsuit or protests to stop this.

902 to 928 MHz is an industrial, scientific and medical (ISM) band. Amatuer radio can use it on a non-interference basis.

An amatuer radio licensee should know his.

[backwoods-engineer]

There's an overlap between the 902 - 928 MHz (33cm) US Amateur band and the 902-928 MHz US/Canada/Brazil/Australia license-free band commonly used for utility meters, cordless phones, telemetry, and baby monitors.

All the license-free stuff on that band is limited to 4Watts EIRP.

In contrast: amateur radio operators in the US are limited to 1500Watts into the antenna, with no radiated power limit.

I keep telling my employer this. They keep making equipment for this band anyway.