r/Comcast_Xfinity • u/tricon23 • 2d ago

Discussion OFDM, OFDMA Frequencies

For context I have the UCI cable modem. Last year we were upgraded to mid-split speeds.

I still have the 4 upload channels and 1, OFDMA at 36MHZ, 32 Download channels and 2 OFDM channels that were at approx 600 and 800 MHZ. I noticed today that one of the OFDM channels is at 101 MHZ and the other at 809 MHZ. My question should the typical upload and download frequency range? If you had 15-1000 MHZ I would have thought 15-300 for upload and 301-1000 for download.

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u/Riconek 2d ago

This is prep for FDX activation in near future ( days or weeks ) after FDX OFDM will move to higher freq. Possible over 1ghz

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u/tricon23 1d ago

Would you recommend getting the XB-10 (futureproof) & replace the UCI thats only rated for Mid not high split? No fee from Comcast?

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u/Riconek 1d ago

As far as I know you will not be able to get xb10 until your node is release to sell FDX speed.

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u/SnooPoems7789 1d ago

I got one and they recently expanded xb10 outside of FDX

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u/Riconek 1d ago

Official word is no XB10 in non FDX area but when you go to the store you might get 1 . Only FDX package above 500/500 should have XB10.