You searched for: “db
decibel, dB
A measure of the gain of an antenna.

See antenna gain for more information.

This entry is located in the following unit: Radio Frequency Identification (RFID): Definitions (page 3)
A unit related to: “db
(Latin: "ten" plus "bel" [Alexander Graham Bell]; a list of decibel levels and the examples that show the various decibel scales)