In comments filed with the Federal Communications Commission, Google outlined plans for low-power devices that use local wireless airwaves to access the “white space” between television channels. A Google executive called the plan “Wi-Fi 2.0 or Wi-Fi on steroids.”
“The airwaves can provide huge economic and social gains if used more efficiently,” Google said in the comments.
━━ n., a. 【生化】ステロイド（の）. 類固醇
steroid Hide phonetics
1 one of a variety of chemical substances that is produced in the body
2 an artificial form of a natural chemical substance which is used for treating particular medical conditions:
I'm taking steroids/I'm on steroids for my asthma.【醫】氣喘(病),哮喘
3 a drug which increases the development of your muscles, sometimes taken illegally by people taking part in sports competitions