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Quad Terrestrial 40mm LNB


Item: 3309


Specifically designed for the European DTH markets, this Quad LNB provides optimized reception capabilities. With its terrestrial input this Quad LNB enables the combation of terrestrial signals (analog and digital) with the satellite signals to maximum four Set Top Boxes with Single Tuner (or two Set Top Boxes with Twin Tuner). It is ready for High Definition transmissions and provides excellent Noise Figure performance. Designed to meet strict specifications and manufactured to the highest industry quality standards, this LNB is an ideal solution for satellite broadcast reception across Europe.


Main Features:

  • Low Phase Noise, DVB-S2 (HDTV) compliant
  • Low Noise Figure (0.2 dB)
  • Low Power Consumption
  • Very high Cross Polarization Isolation
  • Very high Frequency Stability
Product Specifications


Low Band Input Frequency Range 10.7~11.7 GHz
Low Band Output Frequency Range 950 ~ 1950 MHz
LO Frequency 9.75 GHz
High Band Input Frequency Range 11.7 ~ 12.75 GHz
High Band Output Frequency Range 1100~2150 MHz
LO Frequency 10.6 GHz
Noise Figure 0.2 dB Typ. (0.7 dB Max.) 
LO Initial Accuracy +/- 1.0 MHz max.
LO Temperature Drift +/- 3.0 MHz max.
Phase Noise @ 10K Hz -90 dBc / Hz Max.
Conversion Gain 55 dB Min.
Gain Ripple (Over 26 MHz Bandwidth) +/- 0.75 dB
Gain Variation (Over Full Band) +/- 4 dB
Image Rejection 40 dB Min.
1 dB Compression Point (O/P) 0.0 dBm min.
Crosspolarization Isolation 22 dB Min.
Control Signals Ca (Vertical Polarization) 10.0 ~ 14.0 V
Control Signals Cb (Horizontal Polarization) 16.0 ~ 20.0 V
Control Signals Cc (Band Switching) 22 +/- 4 kHz
Frequency Range (MATV) 40 ~ 862 MHz 
Insertion Loss (MATV)  13 dB 
Isolation (MATV)  18 dB 
Return Loss (MATV) 10 dB 
Gain Flatness (MATV) 5 dB 
In-Band Spurious  - 60 dBc Max.
Output VSWR 2.5 : 1
Current Consumption 210 mA Max. @ 10 ~ 20 V
Operating Temperature - 30  ~  +60 °C
Output Impedance  75 Ω 
Output Connector F-Type
Weight 234 g
Frequently Asked Questions

What is a feedhorn?

The feedhorn is the part of a satellite dish system which gathers the reflected signal from the dish and focuses it towards the LNB.

What is an LNB?

An LNB - Low Noise Block (also called an LNC- Low Noise Converter), is used for communications (broadcast) satellite reception. The LNB is usually affixed either in or on the satellite dish.

What is an LNBF?

An LNBF is an LNB with an integrated feedhorn

What is a Monoblock LNB?

This design consists of two independent LNBs in a single case. The two LNBs can be automatically addressed with any DiSEqC 1.0 or higher receiver. In some cases they can also be addressed with ToneBurst / MiniDiSEqC. However, they are only available for satellites with a fixed 3 degree, 4.3 degree, 6 degree …spacing. In Europe, for example, there are monoblock single, twin and quad LNBs for the Ku band, which have a pre-defined spacing of 6 degrees (for Astra 1 / Hotbird , for example).

Why can I receive only one satellite with my Monoblock?

Monoblock LNBs are designed for a specific dish size, 80cm for example. If your dish is too small (70cm for example) or too wide (90cm for example) it is not possible to receive both satellites together. Please choose the dish size for which the monoblock LNB has been designed.