Are all Hi band F Connectors *blue*

[chefwong]

Just doing some cleanup....

The good stuff (stirling) is all Blue.

I have some odd and end ground blocks. Some is not white/clear but a very faint blueish.

Looking at my perfect vision *power passing diplexer* * model PVDP2*, the F connectors are white.

Is universally or is it a standard that hi-band F Connectors should be blue ?

[lostman72]

No it depends on the manufacture. Color has nothing to do with it. I have seen yellow green and so on. One thing that seems to always be blue is the F-Connector barrels for 3Ghz. I am sure they make other colors also, I just never seen one yet?

[Mertzen]

I've seen green barrel connectors.

[kucharsk]

I have a pack of clear insert barrel connectors that are indistinguishable from the normal ones, but they are guaranteed to pass to 3 GHz, so sometimes the inserts aren't a color at all.

[AntAltMike]

I have a pack of clear insert barrel connectors that are indistinguishable from the normal ones, but they are guaranteed to pass to 3 GHz, so sometimes the inserts aren't a color at all.

How about punching out the guts of one to see how it is designed. The old fashioned, "1 GHz" F-81s touched the center conductor on two points, whereas the higher frequency ones had more like a sleeve in them that made contact all around it.

[William1]

I have connectors for single shield and quad shield (larger OD), I tell them apart from the color, blue for small, black for the quad. But that is just the brand I use (Ideal)

[kucharsk]

I have connectors for single shield and quad shield (larger OD), I tell them apart from the color, blue for small, black for the quad. But that is just the brand I use (Ideal)

Not the male connectors, the female connectors, e.g. they're blue here:

http://www.prosatellitesupply.com/images/F81_hi-freq1.jpg

but not here:

http://pimages.solidsignal.com/WB68_zoom.gif

or here (a Holland DPD2 diplexer is on the left):

http://www.techtoolsupply.com/productimages/distribution/hpv_comp.jpg

Though they all pretty clearly need to pass up to at least 2.5 GHz.