Hello Guest, Welcome to Apnea Board !
As a guest, you are limited to certain areas of the board and there are some features you can't use.
To post a message, you must create a free account using a valid email address.

or Create an Account


New Posts   Today's Posts

[CPAP] signal dBm
#1
what do we mean by dBm? signal moving from 183 to - 113?
Post Reply Post Reply
#2
decibel milliwatts what are you trying to understand ? Huhsign
For more information explore and read the wiki or just start with the link below.
http://www.apneaboard.com/wiki/index.php...re_success

Just my personal opinion. My posts are not medical advice or a statement of fact. Please consult a qualified physician or other qualified medical personnel. Please comply with all applicable laws, codes, regulations, and protocols.
Post Reply Post Reply
#3
Since Signal Strength has to be relative to some power level; the standard reference is 1 milliWatt. And since Signal Strength may vary over decades, a base 10 logarithm is used. Hence the deciBel is use as it it logarithmic. Negative numbers indicate power levels less than 1 milliWatt.
https://en.wikipedia.org/wiki/DBm
INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
Post Reply Post Reply




Forum Jump:

New Posts   Today's Posts




About Apnea Board

Apnea Board is an educational web site designed to empower Sleep Apnea patients.

For any more information, please use our contact form.