Definition of "unpaired" []

• Not forming one of a pair (adjective)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "This spectrum is perfect for broadcast services as it is "unpaired" - it cannot be used to send and receive signals so it is not used for mobile phone calls."
• "Each hydrogen atom has only one electron, and single, or "unpaired," electrons are less stable than electrons that are present as pairs."
• "The company purchased what is known as "unpaired" spectrum, which generally allows for one-way communication, and which isn't ideal for a full-service wireless-broadband network, according to analysts."