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RF Connectors Assortment

shabaz

I spent a good 20 minutes the other day, trying to make an antenna fit a Wireless LAN (WLAN) card. It just wouldn't snap on, and finally, I realized the antenna had a U.FL plug, whereas the WLAN card had a MHF 4 socket : ) 

I'd never heard of MHF 4 before, but it seems to be very popular in the laptop computer world. Anyway, while I was at it trying to visually compare the connectors, I took this photo - perhaps useful for identifying connectors in the future : )

The photo is missing connectors, especially some common ones like N connector, and the PL-259 (popular in ham radio equipment).

BNC of course is very popular, as is SMA. I really like SMB, it's like a hassle-free version of SMA, but unfortunately, it is not as popular on equipment. 

(Click photo to enlarge):

image

EDIT:

Decided to re-take the photo and add N and TNC. Also added a PL-259.

image

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  • Nice one! During my early days I always struggled with choosing the right connector.

    Each one comes with a maximum frequency limit. BNCs are good till a few hundreds of MHz. Above that only the SMA/SMB type or N type are useful. Among SMA and N type also there is a frequency limit. Most low cost SMAs are only good till 6GHz, good quality SMAs from TE, Molex, etc can go only till 18 GHz above which one has to go for the 2.92mm connectors very popular in mm-wave systems. They can go upto 40GHz.

    And the cable in the above picture is RG316- is good only till 6GHz. Would love to see another blog on types of RF cables :)

  • in reply to rsjawale24

    "BNCs are good till a few hundreds of MHz."

    Doesn't that depend a little on what you're trying to do with them? Oscilloscope manufacturers seem to manage ok with them up to a couple of GHz.

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