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WS International ESX521U Single Universal Ku Band Linear FTA LNB | LNBF

LNBF for International Satellite Dish | LNBKu Band International Dish LNBF | LNB
Free To Air Ku Band LNBF | LNB

WS International ESX521U Linear Universal Ku Band LNBF With 2-Year Warranty!


If you want the best quality, best performing, and the newest technology in the industry, don't look beyond the ESX521U LNBF from WS International!


If you are sick and tired of your LNBF burning out too quickly and just not performing to your standards, give the ESX521U a try.  The ESX521U will give you the highest quality signal level out of all other LNBFs and best of all, it carries a full 2-year warranty!


This is a Single Linear Ku band LNB.  It's compatible with all the DiSEqC & Multi switches on the market and with an incredible high gain to give you the highest possible quality signal. 


If you have tried other brands and are sick and tired of the performance, you are in for a huge surprise.  Give this LNBF a try and you will be surprised at the performance of this little guy. 


It's manufactured by WS International which is one of the most popular, reliable and well known brands on the market and comes with a full 2-year warranty.  The WS International ESX521U is designed to fit on most offset Ku band antennas with 40mm universal LNBF mounts.

Banda KU | Ku Band Universal LNB esta HD High Definition

WS International ESX521U Single Linear Ku Band LNBF


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WS International ESX521U Single LNBF

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Qty Price/pc
1-2 $19.99









This is by far the best Single LNBF ont he satellite market.  It has a full year warranty and an un-heard of 0.2dB noise figure for excellent quality signal level and quality.  This is a linear with a single LO frequency of 9750/10600MHz for easy installation.


Great for Galaxy 19, SES1, Galaxy 18, Galaxy 25, AMC 4, or any other Ku band satellite within North America and United States.

Click on picture for more information....

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HD FTA Ku LNB | LNBF for Ku Band and Free To Air.  Works for International Satellite Also


Technical Specifications

Input Frequency Range 10.7 - 12.75 GHz
L.O. Frequency 9750/10600MHz
L.O. Stability 1 MHz (-40 - +70 c)
Ouput Frequency Range 950 - 2150 MHz
Noise .2dB typical
Conversion Gain 70-75dB typical
Input VSWR 2.5:1
Output VSWR 2.0:1 (max)
Connector F Type female
Impedence 75 ohm typical
Cross Polar Isolation >25dB (min.)
Image Rejection 45 dB (min.)
Phase Noise -50dBc @ 1 KHz
-75dBc @ 10 KHz
-95dBc @ 100KHz
Supply Voltage

Ca: 11.5 - 14.0 V = Vertical Polarization
Cb: 15.5 - 19.0 V = Horizontal Polarization

Operating Temperature -40 - +70 degrees Celsius
Storage Temperature -40 - +80 degrees Celsius
Relative Humidity 0 - 95 %
Throat Diameter 40mm



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