lnb C band monoponto

[anto@]

Good morning, I wanted to ask you, kind users, if you know the meaning of these words: single-point LNB and multi-point LNB.
I found an online shop in Brazil offering C-band 4.5 and 4.8 GHz LNBs.
But you can also see the word "Monoponto" written on them!
In the past, I've also found LNBs with the word "Multiponto" written on them, and I don't understand what they mean.
My nephew works there in Brazil. He's back in Italy these days on vacation, and he's leaving in two weeks to return for the summer. So, could you have one of these pieces delivered to you? I don't think they ship to Europe, and shipping would cost more than the product itself.
Thanks.

 

[Channel Hopper]

Multiponto just means more than one output.

A picture may show if it is a dual or four outlet design, (my guess is it will be a twin)

 

[anto@]

multiponto 1 out

 

[a33]

LMGTFY shows me that the monoponto has 13/18V V/H-switching (or maybe L/R?) for the C-band, e.g. xxx.lojadolnbf.com.br/lnbf-banda-c-monoponto-ap30-pll-45-48-ghz-brasilsat

and the multiponto is bandstacked, e.g. xxx.eshopsatelite.com.br/lnbf-banda-c-e-ku/285-lnbf-multiponto-motortech-banda-c.html

That was what I found, as a quick result (not so difficult). No garantees, though.

But I have no experience with them, whatsover.

Greetz,
A33

 

[anto@]

monoponte

 

[anto@]

I think I understood that a single-point LNB is a classic LNB that varies the polarity as the voltage varies: 14 Volts V 18 Volts H
while a multi-point LNB lines up the two polarities.
Input frequency: 3.6 to 4.2 GHz
Output frequency (low band): 950 to 1550 MHz
Output frequency (high band): 1550 to 2150 MHz
Local oscillator: 5.15 / 5.75 GHz

 

[Channel Hopper]

I think I understood that a single-point LNB is a classic LNB that varies the polarity as the voltage varies: 14 Volts V 18 Volts H
while a multi-point LNB lines up the two polarities.
Input frequency: 3.6 to 4.2 GHz
Output frequency (low band): 950 to 1550 MHz
Output frequency (high band): 1550 to 2150 MHz
Local oscillator: 5.15 / 5.75 GHz

That would be similar to the 'Eric' LNB I have

Send a picture of the Brazilian (not that ).

From your prospective purchase there might be a constructive answer to your question.

Edit - Dual/stacked LNBs are unlikely to have full (or extended) capability from personal experience

 

[dreambox1959]

monoponto means monopoint === classic lnb
multiponto means multipoint === unicable lnb
there is also bandeC lnb where R and L are put together with 2 OL 5150 and 5750 .

 

[anto@]

I don't currently have a 4.5-4.8 GHz C-band LNB.I plan to get one this summer when my nephew comes home.


xttps://www.lojadolnbf.com.br/lnbf-banda-c-monoponto-ap30-pll-45-48-ghz-brasilsat

 

[manzaba]

The multipoint LNB has two independent oscillators that operate simultaneously, one for vertical polarization and one for horizontal polarization. Therefore, a 5150 MHz oscillator and a 5750 MHz oscillator handle the polarizations. Since the C-band only occupies 500 MHz from 3700 to 4200 MHz, the LNB's L-band output covers both polarizations from 950 to 1450 MHz and from 1550 to 2050 MHz. Remember that the satellite receiver has a reception capacity for about 1200 MHz of L-band, from 950 to 2150 MHz, so that would mean up to 600 MHz usable for each polarization. For this reason, the multipoint cannot be a full extended C-band which requires 800 MHz per polarization, that is, 1600 MHz of total bandwidth where only 1200 MHz is available as mentioned.
Source (Spanish): FTApinamar

 

[dreambox1959]

on brazilian web sites there is a lot of lnb called "multiponto"
either in KU-band and C-band .
it is writed that you can connect 4 or 8 or 12 receiver ...
in that case it s unicable system.
the C-lnb above is another device .

LNBF BANDA C e KU - E-shop Satélite

Equipamento essencial para captar o máximo de sinal em sua antena.

www.eshopsatelite.com.br

 

[a33]

it is writed that you can connect 4 or 8 or 12 receiver ...
in that case it s unicable system.

An LNB that carries just one L-band 950-2150 (and doesn't need internal switching to carry another band or polarity), can be connected with splitters to an endless quantity of receivers (though amplifiers might be needed). That's the advantage (or even purpose?) of band-stacked LNBs.
So that would not imply Unicable or JESS, in the sense of EN50494 or EN50607.

But maybe you mean something different?

Greetz,
A33

 

[dreambox1959]

sorry , you are right !
it seems that it s the side by side band with 2 OL .