The bel (B) and the smaller decibel (dB) are units of measurement of sound intensity invented by Bell Labs and named after him. [N 28] Since 1976 the IEEE's Alexander Graham Bell Medal has been awarded to honor outstanding contributions in the field of telecommunications.
"কী ল্যাব" "বেল" "শব্দটি উদ্ভাবন করেছিল।"
Bell Labs