Radio / Wireless

Air-gapped computers are isolated from public networks, physically and technically, to prevent hacking over the internet, but if the computers are not enclosed in Faraday Rooms to block RF emissions, they may not be safe enough. Basic Security measures such as restricting the use of cell phones, limiting cell phone capabilities like cameras, video, and…

A battery operated self-propelled lawn mower uses multiple, portable beacons, strategically placed on a lawn to map the designated mowing area. The beacons send transmissions to the RLM system, defining what boundaries the mower operates within. A petition was granted by the FCC waiving its rules, permitting the iRobot Corporation to deploy their wirelessly operated…

Rice University researchers built “WATCH”, Wi-Fi in Active TV Channels, the first system that allows wireless data transmissions over active TV broadcasts using the UHF spectrum. While using WARP, the wireless open-access research platform, they were able to test WATCH at the Rice University Campus in 2014 with an FCC approval. As the popularity of…

Creating standard methods to measure the Electromagnetic Interference on an aircraft’s environment has been compounded by the constant feed of improved personal electronic devices (PED’s) and the demand of aircraft passengers to fly with communication services similar to office-like conditions. As the complexity of communication services that meets the needs of this business and social…

Being called a revolutionary vehicle, the BMW i3 lacks a simple AM radio feature. A carbon-fiber reinforced plastic shell riding on an aluminum platform is blamed for the less-than optimal standards resulting in disabling of the AM radio in this BMW model. After spending close to $40,000 on the most energy efficient car sold in…