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Old 06-15-2020, 11:26 AM   #1
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HDMI to antenna adapter


Iíve been searching online for an adapter since I just upgraded my DirecTV receiver to the Genie box. Unfortunately, there is no antenna( RG 6 type) output which I need so i can split the feed out to watch TV in the basement. ( Too cheap to pay for an extra receiver). I saw one on Radio Shack online, but it seems to be always out of stock. Anyone know where else i can get one?
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Old 06-15-2020, 01:05 PM   #2
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Re: HDMI to antenna adapter


The adapter you need will be box not just a cable. You need a modulator to convert the HDMI signal to a an RF type output.
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Old 06-15-2020, 02:00 PM   #3
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Re: HDMI to antenna adapter


I never heard of one and could not find HDMI to coax.


I did find an HDMI splitter if the basement TV has HDMI. There are 2 options on this page: https://www.monoprice.com/search/ind...HDMI++splitter
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Old 06-15-2020, 02:40 PM   #4
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Re: HDMI to antenna adapter


I was thinking about splitting the HDMI Feed, but wasnít sure how long you can run Hdmi cables, or how long you can buy hdmi cable. I would probably need about 40í.
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Old 06-15-2020, 02:43 PM   #5
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Re: HDMI to antenna adapter


Quote:
Like many video, audio and data cables, HDMI cords can suffer from signal degradation at longer lengths—50 feet is generally considered the maximum reliable length. And it's rare to see an HDMI cable longer than 25 feet in a store.Jun 29, 2011

How To Extend Your HDMI Cables - DIY Tech

www.popularmechanics.com › home › how-to-extend-your-hdmi-cab.

Everything is cheaper at Monoprice and shipping is reasonable.
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Old 06-15-2020, 06:24 PM   #6
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Re: HDMI to antenna adapter


If you have Internet in the basement, you might consider using a Chromecast. Assuming you're DirecTV susbscription supports it.


If it works, you won't need to scream this upstairs "hey change the genie receiver to my fav. channel" :-)


https://www.att.com/support/article/att-tv/KM1226927
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Old 06-15-2020, 06:29 PM   #7
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Re: HDMI to antenna adapter


Joed is correct, you need a modulator to convert HDMI to RF (RG6) / RF to HDMI.

https://www.amazon.com/s?k=RF+Modula...ref=nb_sb_noss
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Old 06-15-2020, 06:31 PM   #8
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Re: HDMI to antenna adapter


Is there an analog output or other outputs on the back of the Genie?
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Old 06-15-2020, 06:49 PM   #9
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Re: HDMI to antenna adapter


^^ Ah yeah, good catch @adamz -- If your box happens to have RCA's you can use multiple runs of RG6 to carry to the signal, usually need at least 3 though (right, left audio & one video) You can often run RG6 video, then a Toslink or speaker wire for right/left audio.

Putting an RCA connector on the end of an RG6 is surprisingly easy too, I just did a ton of them myself. I explained the process here: https://www.diychatroom.com/f49/week...2/#post6128077 (Putting on an RCA tip is exactly the same process, you're just using an RCA connector instead of an F-Style connector )
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Old 06-16-2020, 05:22 AM   #10
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Re: HDMI to antenna adapter


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Originally Posted by adamz View Post
Is there an analog output or other outputs on the back of the Genie?
I will look again when i get home, but I think I only have an S-video, USB port and a single RCA audio jack in addition to the HDMI.
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Old 06-16-2020, 07:20 AM   #11
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Re: HDMI to antenna adapter


That's an old TV but you can buy hdmi-svideo converters https://www.google.com/search?client...-video+adapter


With the current price of TVs it might be cheaper to just buy a new one.
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Old 06-16-2020, 06:23 PM   #12
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Re: HDMI to antenna adapter


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Originally Posted by Colbyt View Post
That's an old TV but you can buy hdmi-svideo converters https://www.google.com/search?client...-video+adapter


With the current price of TVs it might be cheaper to just buy a new one.
Thatís not the TV, its the DirecTV Genie receiver outputs
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Old 06-18-2020, 03:03 PM   #13
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Re: HDMI to antenna adapter


If the Genie has S-video out and RCA out audio, you can use a device like the one below from Home Depot. You can then use your coax cable to feed ch. 3 or 4 to the 2nd TV set.

https://www.homedepot.com/p/Zenith-R...MOD1/310551736


Amazon has them too, just search for "rf modulator with s video" in Amazon's search bar.
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Old 06-18-2020, 04:36 PM   #14
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Re: HDMI to antenna adapter


Many old VCRs had antenna out. If you have one with an HDMI input and antenna out you could use that.
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Old 06-19-2020, 07:47 AM   #15
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Re: HDMI to antenna adapter


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Originally Posted by joed View Post
Many old VCRs had antenna out. If you have one with an HDMI input and antenna out you could use that.



I'm asking, not stating a known fact. Are you sure? I thought those were only feed thru splitters with no path to feed another input to the antenna out.
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