0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Abbreviation. The power ratio, expressed in dB, between any point and a reference point selected as the zero relative transmission level point. (188) Note: Any power expressed in dBr does not specify the absolute power. It is a relative measurement only.