Social Feed

MikeI said:

Brian's blue lnbf came today. It works great. The 3.8 to 4.2 lnbf in the last few months became unwatchable on several feeds as the last of the 5g got turned on in September. The new 4.0 to 4.2 dual is fantastic. Hope it works great for everyone.

Click to expand...

yupidixie said:

I hope it works Eutelsat 117 West freq 3947 as my Wife can't watch the Honduras Channels anymore. Will give a try in January

Click to expand...

Titanium said:

A transponder at 3947 MHz is far below the band pass frequency range of 4000 - 4200 MHz and will not be received. The C140 and C240 BLUE filter LNBFs attenuate all signals outside the band pass. Simply put: you cannot filter out the frequency that you wish to receive. Save your money, aggrevation, dissappointment and a pending bad product review!

Your best chance of receiving the 3947 transponder is to locate a 3900 - 4200 BPF LNBF.

AND

Block the 5G terrestrial signals from reaching your dish. You might have to move the dish behind a structure or build a rf wall out of chicken wire / hardware cloth, etc.

It is extremely helpful to use a 3700 or 3800 - 4200 BPF LNBF with a spectrum display, to view the 5G interfering signal spikes that would be present below 3980 MHz. You will then see if attempts to block the terrestrial 5G signals are attenuating the spikes. An inexpensive tinySA Ultra purchased on Amaxon or Ebay along wthe a 2GHz splitter is all you need to identify the signals you wish to receive vs those you don't. Otherwise, your just playing an expensive game of "Pin the Tail on the Donkey" with labor and buying / trying various filters.

Click to expand...

Titanium said:

A transponder at 3947 MHz is far below the band pass frequency range of 4000 - 4200 MHz and will not be received. The C140 and C240 BLUE filter LNBFs attenuate all signals outside the band pass. Simply put: you cannot filter out the frequency that you wish to receive. Save your money, aggrevation, dissappointment and a pending bad product review!

Your best chance of receiving the 3947 transponder is to locate a 3900 - 4200 BPF LNBF.

AND

Block the 5G terrestrial signals from reaching your dish. You might have to move the dish behind a structure or build a rf wall out of chicken wire / hardware cloth, etc.

It is extremely helpful to use a 3700 or 3800 - 4200 BPF LNBF with a spectrum display, to view the 5G interfering signal spikes that would be present below 3980 MHz. You will then see if attempts to block the terrestrial 5G signals are attenuating the spikes. An inexpensive tinySA Ultra purchased on Amaxon or Ebay along wthe a 2GHz splitter is all you need to identify the signals you wish to receive vs those you don't. Otherwise, your just playing an expensive game of "Pin the Tail on the Donkey" with labor and buying / trying various filters.

Click to expand...

Titanium said:

Block the 5G terrestrial signals from reaching your dish. You might have to move the dish behind a structure or build a rf wall out of chicken wire / hardware cloth, etc.

Click to expand...