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What kind of cables for wi-fi extension cable?

05cu
By 05cu
in Networking
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Go to solution Solved by xc3ll,

Be careful to buy the right connector. There is SMA and SMA-RP. The difference is where the pin is located: on the "male" or "female" connector. I've just learned that by ordering the wrong extensions 馃檪

50Ohms is correct.

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SMA.png

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Posted

I recently put together an Silverstone ALTA G1M build. The case needs Wi-fi extension cables to reroute the antennas to outside the case. I didn't realize these cables don't come with the case and I have no idea what cables I need. The cable should be about 20-50cm long.

Tried to research this myself but there is so many cables with SMA connectors. Apparently the type of cable and ohms is very important, but i didn't manage to find what is needed for this use case.

I don't know if my motherboard matters but will add it here just in case: MSI B450I GAMING PLUS AC (Intel Dual Band Wireless-AC 3168 module)

This is all that the manual says about antennas and extension cables:

image.png.8f763e730825fc17a76565bbe5f28943.png

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Any help will be greatly appreciated!

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50 ohm should be fine. Just make sure the cable's good for at least 6 ghz.

I sold my soul for ProSupport.

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You could also buy an "external" antenna like this

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https://www.amazon.com/Eightwood-Antenna-Connector-Adapter-Wireless/dp/B07XYV92ZY/ref=sxin_15_pa_sp_search_thematic_sspa?content-id=amzn1.sym.14a246c3-7a62-40bf-bdd0-5ac67c2a1913%3Aamzn1.sym.14a246c3-7a62-40bf-bdd0-5ac67c2a1913&crid=1CL6BC9S4OLXA&cv_ct_cx=bluetooth%2Bwire%2Bantenna&keywords=bluetooth%2Bwire%2Bantenna&pd_rd_i=B07XYV92ZY&pd_rd_r=df914019-9c6b-408d-863a-eb000c920d48&pd_rd_w=T5iSD&pd_rd_wg=YWtCz&pf_rd_p=14a246c3-7a62-40bf-bdd0-5ac67c2a1913&pf_rd_r=Q8PWVAB70P9KD34JVVM0&qid=1674314364&sprefix=%2Caps%2C208&sr=1-1-a73d1c8c-2fd2-4f19-aa41-2df022bcb241-spons&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUE4SldJUkxXVElKOVQmZW5jcnlwdGVkSWQ9QTA0OTgxNjAzRFlFV0VQU0lCRFRDJmVuY3J5cHRlZEFkSWQ9QTA4OTY2NTgyVzZNVDRSVUFFUEhCJndpZGdldE5hbWU9c3Bfc2VhcmNoX3RoZW1hdGljJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ&th=1聽

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  • Solution

Be careful to buy the right connector. There is SMA and SMA-RP. The difference is where the pin is located: on the "male" or "female" connector. I've just learned that by ordering the wrong extensions 馃檪

50Ohms is correct.

聽

SMA.png

聽

聽

Ryzen 5 5600, 32GB DDR4, GTX 3070Ti, Acer Predator x34

InWin 901

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So I need聽RP-SMA male to RP-SMA female cable, but I am having a hard time finding short ones. 馃槥
Also the ones I could find (1m RG-174 cable) only support up to about 3000 MHz. Could that really become a problem is such a short lengths?

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