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[Q] R1 and R2 ports on back of phone.

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By lmftmf, Guest on 29th April 2012, 12:18 PM
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19th February 2016, 04:34 AM |#11  
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Do an internet search for MS705-FMEM-174. It will bring up quite a few patchlead options (all from one supplier which which I have no connection, commercial or otherwise). Note that for the Samsung S2 4G i9210 model, there is an explanation of the R1 and R2 sockets: because the 4G uses two connections in parallel to double the connection capacity, it requires two antennas to work fully. R1 is the general antenna connection for a single connection (3G and one 4G), R2 is the additional connection for a second 4G antenna. I've taken the warnings about permanent damage to heart and have NOT tried to use either socket. An internet search for MS147 will bring up other suppliers.
19th March 2016, 03:54 PM |#12  
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messed up
Quote:
Originally Posted by denenatse

Do NOT put anything in there, they are you antenna receivers, you'll lose signal forever if you do

Sent from my SGH-I727R using xda premium


What if the R2 antenna falls off ???.
28th July 2016, 01:56 AM |#13  
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Quote:
Originally Posted by cyle12345

What if the R2 antenna falls off ???.

Stick a copper wire in there and tape it down. Adjust as needed.
3rd August 2017, 03:22 PM |#14  
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Quote:
Originally Posted by denenatse

Stick a copper wire in there and tape it down. Adjust as needed.

Would it work? I have the same problem... R2 connector is loose from motherboard
3rd August 2017, 03:28 PM |#15  
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Yes. It's not recommend, but it works.
11th November 2017, 10:06 PM |#16  
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Quote:
Originally Posted by lmftmf

There are two ports labeled R1 and R2 underneath the battery cover. Was wondering what they were for?

Radio 1 and Radio 2, for different antennas for different network types (3G/H+) not sure which is which though.
4th June 2018, 01:00 PM |#17  
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I've actually seen a clip on YouTube about making an external wi-fi antenna. The guy said 6 1/3 inches is 1/4 the length of the wave. I followed the instructions an I must say the results were phenomenal. [email protected]
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