Help: Antenna dBic - What is the Difference?

[xueowngoal]

Help: antenna -- dBic

Hi, I need help.

For antenna, what is dBic? What is the relation of dBi and dBic?
Thank you!

 

[berkeman]

A quick google search on dBic shows that the "c" refers to a circularly polarized antenna. I didn't know that.

http://www.answers.com/topic/dbic

Welcome to the PF, BTW.

 

[ravenprp]

Hi there,

dBic stands for "decibels isotropic circular." It is a unit of measurement used to describe the gain or directionality of an antenna. It is similar to dBi (decibels isotropic), but takes into account the circular pattern of radiation from the antenna, rather than just the maximum gain in one direction.

The main difference between dBi and dBic is the shape of the radiation pattern. A dBi measurement assumes a directional antenna with a narrow, focused beam of radiation. On the other hand, a dBic measurement assumes an omnidirectional antenna with a circular radiation pattern. This means that a dBic measurement will take into account the gain in all directions, rather than just one.

In general, a higher dBic value indicates a more directional antenna, meaning it has a narrower beam of radiation and is better at focusing the signal in a specific direction. This can be useful for long-range communication or for avoiding interference from other nearby signals.

I hope this helps clarify the difference between dBic and dBi. Let me know if you have any other questions.