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08/09/12, 10:12 AM
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Join Date: May 2002
Posts: 7,692
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Coaxial cable question
I bought an adapter, whats referred to as " Mini UHF- Male to N- Female Coaxial Adapter"
Well the N part is right, but the mini UHF, though it has correct threads, the center prong is too large.
Is this called something else and not mini UHF? I looked on old tv and couple other things and they all have the tiny center hole. The adapter will not screw onto them either.
I tried mini coax but it seems to just be another name for mini UHF, same for mini F connector.
Quite annoying if anybody can help.
I suppose I can try either grinding down the center prong's diameter or drilling out the center hole, but rather it just fit cause obviously these are different and probably have diffferent name and I just bought the wrong adapter. But darn if I can figure out what to buy.
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"What would you do with a brain if you had one?" -Dorothy
"Well, then ignore what I have to say and go with what works for you." -Eliot Coleman
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08/10/12, 09:23 AM
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Join Date: May 2012
Location: Extreme NE Ga
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What are you doin' with it, John ?? I figured some of the other "ham" radio operaters in here might chime in !!
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08/10/12, 09:41 AM
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Miniature Horse lover
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Join Date: Dec 2005
Location: West Central WI.
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Looks like the coax adapter is for the new HD Cables. They Have a Larger center conductor in them.
I know when I "upgraded" to HD Cable not only was it larger in the center but had twice as much shielding around. Not sure but looks like that is for RG-6 not the older RG-56.
I even got special connectors to handle to HD Signal, way different then what they were just a few years ago.
That newer coax that has been sweep-tested to 3GHz. And that is I am sure RG-6 Double insulated.
I know when I went in to Radio Shack they didn't even know what I was talking about LOL
I ordered it on line.
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08/10/12, 09:58 AM
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Join Date: May 2002
Posts: 7,692
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Yes, the N part is so I can use the ultra low loss cable that is bigger diameter. But I need to know why the UHF side of the thing wont screw into the cell phone booster I have. As is, too much loss from outdoor antenna to the booster, thus the need for low loss cable and for the adapter.
Normal coax cable with usual connector works fine screws right onto the booster, no problem. The center wire in normal coax fits fine in the little hole. The UHF side of this adapter has right diameter and correct threads, just the center prong is too big, much fatter than normal center wire in usual standard coax cable.
So what do I need for that side, whats it called. The standard coax terminal on every last tv and whatever else thats been made forever. Its not mini UHF, its not mini F, its not mini coax.
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"What would you do with a brain if you had one?" -Dorothy
"Well, then ignore what I have to say and go with what works for you." -Eliot Coleman
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08/10/12, 10:39 AM
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Join Date: Jan 2005
Location: SE Idaho
Posts: 532
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Google SMA connector and see if that's what you need
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08/10/12, 11:42 AM
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Join Date: May 2002
Posts: 7,692
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Nope its not. Believe me I have looked at pics of all coax connectors I can find. Think old tv with standard BIG LOSS cheapo crappo coax cable. Whats the connector called. All the old tvs and tv antennas and consumer crap had that same connector. Its not rare or special. I just dont know what to call it if its not mini UHF or mini F or mini coax.
This adapter would screw right on except that center prong is too big of a diameter. The theaded part is fine.
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"What would you do with a brain if you had one?" -Dorothy
"Well, then ignore what I have to say and go with what works for you." -Eliot Coleman
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08/10/12, 01:27 PM
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Miniature Horse lover
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Join Date: Dec 2005
Location: West Central WI.
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Quote:
Originally Posted by HermitJohn
Nope its not. Believe me I have looked at pics of all coax connectors I can find. Think old tv with standard BIG LOSS cheapo crappo coax cable. Whats the connector called. All the old tvs and tv antennas and consumer crap had that same connector. Its not rare or special. I just dont know what to call it if its not mini UHF or mini F or mini coax.
This adapter would screw right on except that center prong is too big of a diameter. The theaded part is fine.
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You have got a connector to Fit RG-6 coax.
You need a connector to fit RG59/U
so do a goggle search for RFG59/U
It is the RG59/U that has the very small copper center.
You have a connector for RG-6 coax which is a much larger center copper wire.
I know what you are saying but remember when you did use those older connectors The COAX itself went through and use used the Wire that was inside that older coax as a center connector.
I am not sure if you can get a tiny adaptor that has such a small center pin as it was in that older coax.
Older tv's should be able to use most coax adaptors out there. The center copper wire just slides Inside of two metal pieces that close in on that pin. They should spread apart enough to take most any coax adaptors as long as it isn't the much larger solid RCA type pins.
Last edited by arabian knight; 08/10/12 at 01:30 PM.
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08/10/12, 01:55 PM
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Join Date: May 2012
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We use the same coonector to adapt from PL259 RG8 cable down to PNC cables. That is why I ask what he was useing it for. The difference in the ohms of the adapter may a issue of some sort if useing it in another application other than RF purposes .
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08/10/12, 02:37 PM
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Join Date: Jan 2005
Location: SE Idaho
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The coax connector on a tv set is an "F" connector uses the coax cable inner conductor as the center connection. It has to have a solid inner conductor cable. It is also a 75 ohm connection and the type N is a 50 ohm connector. Google N to F adapter and see if it's the right one.
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08/10/12, 03:06 PM
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Join Date: May 2002
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Quote:
Originally Posted by arabian knight
You have got a connector to Fit RG-6 coax.
You need a connector to fit RG59/U
so do a goggle search for RFG59/U
It is the RG59/U that has the very small copper center.
You have a connector for RG-6 coax which is a much larger center copper wire.
I know what you are saying but remember when you did use those older connectors The COAX itself went through and use used the Wire that was inside that older coax as a center connector.
I am not sure if you can get a tiny adaptor that has such a small center pin as it was in that older coax.
Older tv's should be able to use most coax adaptors out there. The center copper wire just slides Inside of two metal pieces that close in on that pin. They should spread apart enough to take most any coax adaptors as long as it isn't the much larger solid RCA type pins.
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But there are multiple kinds of fittings for both RG59 and RG6. They have or should have specific names/designations. Just looking for RG 59 fittings doesnt get me anywhere. And no the fitting on old tv nor my cell booster have solid plastic piece inside the "pipe" part. There is an unadjustable pin hole in the center of that plastic. THE PLASTIC DOESNT HAVE ANY ELASTICITY TO IT.
This is closest possibility to fit the booster fitting and then maybe the adapter would screw onto it.
Its hard to tell for sure from a pic, but I'd say this adapter has the large center prong too... Poop.
Is that hole metal lined or could I drill the hole larger in the plastic??? I doubt that would work, but hey only idea I have. Be real hassle trying to whittle down that center prong, have to have special bit in dremel.
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"What would you do with a brain if you had one?" -Dorothy
"Well, then ignore what I have to say and go with what works for you." -Eliot Coleman
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08/10/12, 03:44 PM
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Join Date: May 2002
Posts: 7,692
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Quote:
Originally Posted by idahodave
The coax connector on a tv set is an "F" connector uses the coax cable inner conductor as the center connection. It has to have a solid inner conductor cable. It is also a 75 ohm connection and the type N is a 50 ohm connector. Google N to F adapter and see if it's the right one.
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That just brings up same adapter I first posted pic of. mini UHF and F seem to be the same thing.
Ok here is a chart of ALL coaxial connectors. Coax Connector Chart: BNC,F,FME,Mini-UHF,MC Card,RP-MMCX,RP-SMA,L-com Oddly none of them match exactly. It is close to mini UHF/ mini F but with smaller center prong
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"What would you do with a brain if you had one?" -Dorothy
"Well, then ignore what I have to say and go with what works for you." -Eliot Coleman
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08/10/12, 03:53 PM
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Join Date: Jan 2005
Location: SE Idaho
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The connector is intended to make a normal screw-on F connection into a push on, pull off connection.
The hole size should work with up to rg11 type coax (about 1/16 dia inner cond)
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08/10/12, 03:59 PM
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Join Date: Jan 2005
Location: SE Idaho
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A mini UHF has a larger pin size than an F...
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08/10/12, 05:42 PM
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Miniature Horse lover
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Join Date: Dec 2005
Location: West Central WI.
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Ok how about this?
F-Type Female to UHF Female
Then just get a short piece of these This one is One Foot Long coax.
That way THIS short piece goes into the TV and the other end goes into the Connector pictured above.
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08/11/12, 08:24 AM
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Join Date: May 2002
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Yea, looks like I make a short adapter cable. Hoping to avoid that, but should work, its the loss of signal over the length of the cable from antenna that is the problem. A short length of old style coax shouldnt be a problem.
__________________
"What would you do with a brain if you had one?" -Dorothy
"Well, then ignore what I have to say and go with what works for you." -Eliot Coleman
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08/11/12, 09:26 AM
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Join Date: May 2012
Location: Extreme NE Ga
Posts: 463
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Quote:
Originally Posted by idahodave
The coax connector on a tv set is an "F" connector uses the coax cable inner conductor as the center connection. It has to have a solid inner conductor cable. It is also a 75 ohm connection and the type N is a 50 ohm connector. Google N to F adapter and see if it's the right one.
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This. The F connector won;t have a "stud" as ya called it. It will be the bare wire which is the conductor. That would make it smaller than the ones with a "stud".
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08/11/12, 04:48 PM
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Join Date: May 2002
Posts: 7,692
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Is there a snowball chance in heck that this would work. That center prong looks small enough, but with these pictures its hard to tell.
N Female Jack to F Male Plug RF Straight Connector Adapter 50ohm | eBay
__________________
"What would you do with a brain if you had one?" -Dorothy
"Well, then ignore what I have to say and go with what works for you." -Eliot Coleman
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08/11/12, 09:32 PM
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Join Date: Jan 2005
Location: SE Idaho
Posts: 532
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If you can screw on a standard tv coax to the jack on the Wilson, this will be the right adaper.
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08/12/12, 08:43 AM
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Join Date: May 2002
Posts: 7,692
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I'll give it a try. Yea, not sure why they used the tv coax fitting when they recommend the ultra low loss cable. It should come with a fitting used on the low loss cable or at least come with an adapter. But then they include stupid plastic toy antenna with original pkg and you have to go buy a real zagi.
Right now its a mixed bag. At times I get something approaching real broadband speed. Other times its limited to basically dialup speed. And others it wont do data at all. The zagi came with N connector. I figured since I gotta do the adapter thing, just as well go to the ultra low loss cable too.
__________________
"What would you do with a brain if you had one?" -Dorothy
"Well, then ignore what I have to say and go with what works for you." -Eliot Coleman
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08/23/12, 01:36 PM
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Join Date: May 2002
Posts: 7,692
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Quote:
Originally Posted by HermitJohn
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And BINGO was his NAMO... Got the adapter, and its the correct one. Or at least it screwed right onto the booster and the other end is obviously N so cable should screw onto it. Now I just gotta put up the Zagi and get it aimed correctly....
Really not that bad of a shipping time for coming clear from China, shame Amercian seller doesnt offer this, but maybe I am only person actually using ultra low loss cable. Cant be only person buying a Zagi antenna with an N connector so going to need either this adapter or the polar opposite. One or the other to use the Zagi.
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"What would you do with a brain if you had one?" -Dorothy
"Well, then ignore what I have to say and go with what works for you." -Eliot Coleman
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