Invacom Prime Focus LNB s for Prime Focus Satellite Dishes in Spain

An LNB is a device mounted on the dish, designed collect and amplify the satellite signals and convert them from a high frequency to a lower frequency. LNBs can be controlled to receive signals with different polarisation (horizontal and vertical). The signals can then be carried down the cable cable to a satellite receiver.

An LNB can be either single (one output), Twin (two outputs), Quad (four outputs), Quatro (four outputs), or Octo (eight outputs).

A Twin LNB would be required when more than one receiver (or a PVR like Sky+) is used allowing the viewing of different channels on two independent satellite receivers.

A Quad LNB would be required when more than three receivers.

A Quatro LNB would be required when requiring to install a multiswitch system that can provide feeds for many receivers, as in the case of a community system installation.

These Invacom Prime Focus LNBs require a separate feedhorn / wave guide to be attached to the LNB.

The Invacom Prime Focus LNB Single SNF-031 is proven to have poorer performance than the Invacom Prime Focus LNB Twin TWF-031 LNB and the Invacom Prime Focus LNB Quad LNB QDF-031, which is why these Invacom Single SNF-031 should no longer be installed.

 
Invacom Prime Focus LNBS :
With the recent decline in sales of large Prime Focus satellite dishes, Invacom no longer produce these LNBs. They have not for a few years now. Hence why they are so scare if you are looking to find one.
There is an Inverto TWIN C120 LNB available, but if you want a QUAD LNB, then you will need to “adapt” an offset QUAD LNB to fit with a feedhorn.

Invacom Prime Focus LNB Single SNF-031 LNB 0.3dB C120

The Invacom Prime Focus LNB Single SNF-031 LNB has one output, to supply just one receiver. These are used on the Prime Focus satellite dishes, like the 1.8m 1.9m and 2.4m satellite dishes used for UK TV reception in Spain.

Specifications:
Input Frequency 10.7 – 12.75 GHz
Output Frequency 950 – 2150 MHz
Noise Figure 0.3dB typical
Gain 50 – 60dB
Interface C120 flange, 18.5 Ø

Invacom Prime Focus LNB Twin TWF-031 LNB 0.3dB C120

Invacom Prime Focus LNB Twin TWF-031 LNB has two independent switched outputs. The Invacom Prime Focus LNB Twin TWF-031 is typically used to supply 2 receivers. These are used on the Prime Focus satellite dishes, like the 1.8m 1.9m and 2.4m satellite dishes used for UK TV reception in Spain.

Specifications:
Input Frequency 10.7 – 12.75 GHz
Output Frequency 950 – 2150 MHz
Noise Figure 0.3dB typical
Gain 50 – 60dB
Interface C120 flange, 18.5 Ø

Invacom Prime Focus LNB Quad LNB QDF-031 0.3dB C120

Invacom Prime Focus LNB Quad LNB QDF-031 0.3dB C120 has 4 independent switched outputs. The Invacom Prime Focus LNB Quad LNB QDF-031 is typically used to supply 4 receivers. These are used on the Prime Focus satellite dishes, like the 1.8m 1.9m and 2.4m satellite dishes used for UK TV reception in Spain.

Specifications:
Input Frequency 10.7 – 12.75 GHz
Output Frequency 950 – 2150 MHz
Noise Figure 0.3dB typical
Gain 50 – 60dB
Interface C120 flange, 18.5 Ø

Invacom Prime Focus LNB Quatro LNB QTF-031 0.3dB C120

Invacom Prime Focus LNB Quatro LNB QTF-031 0.3dB C120 has 4 fixed outputs, for dishes supplied with their own feed-horn. The Invacom Prime Focus LNB Quatro LNB QTF-031 is typically used in a commercial installation to supply a distribution system with separate switches / multiswiches and more than 4 receivers. These are used on the Prime Focus satellite dishes, like the 1.8m 1.9m and 2.4m satellite dishes used for UK TV reception in Spain.

Specifications:
Input Frequency 10.7 – 12.75 GHz
Output Frequency 950 – 2150 MHz
Noise Figure 0.3dB typical
Gain 50 – 60dB
Interface C120 flange, 18.5 Ø