In the beginning of wireless technology, some devices used _____ technology to "beam" information from one source to another source without the use of wired connections. a. air-compression b. xray c. gamma spectrum d. infrared

Wireless technology for communication uses electromagnetic wave to transmit signals between location. It eliminates the need of cables for connecting network devices.

In previous wireless technology implementation, Infrared rays were used (in tv remotes), which needed to be in the line of sight to its destination. Although it was fast, it has many limitations for a long-haul transmission like its short transmission range, easily blocked by objects and its uni-directional properties.

In the beginning of wireless technology, some devices used _____ technology to "beam" information from one source to another source without the use of wired connections. a. ​air-compression b. ​xray c. ​gamma spectrum d. ​infrared

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In the beginning of wireless technology, some devices used _____ technology to "beam" information from one source to another source without the use of wired connections. a. air-compression b. xray c. gamma spectrum d. infrared