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dBm

 1 mW¸¦ ±âÁØÀ¸·Î ÇÑ dB. ÁÖ: 1) Åë½Å ºÎºÐ¿¡¼­, dBm Àº Àý´ëÀü·Â °ªÀÇ Ã´µµ·Î »ç¿ëµÈ´Ù. 0 dBm Àº 1 mW ¿Í °°´Ù. 2) À¯·´¿¡¼­´Â, ¹®¸Æ¿¡ µû¶ó Æò°¡ÀâÀ½ °¡ÁßÄ¡¸¦ ÀǹÌÇÒ ¼öµµ ÀÖÀ¸¸ç ÀÌ´Â dBm0p ¿Í °°À¸¸ç, dBm0p ¶ó´Â Ç¥ÇöÀ» ´õ ¸¹ÀÌ »ç¿ëÇÑ´Ù.
 Abbreviation. dB referenced to one milliwatt. Note 1: dBm is used in communication work as a measure of absolute power values. Zero dBm equals one milliwatt. Note 2: In European practice, psophometric weighting may be implied, as indicated by context; equivalent to dBm0p, which is preferred.
http://www.its.bldrdoc.gov/fs-1037/