C-Band LNB

A C-band LNB, or Low-Noise Block downconverter, is an essential component in satellite communication systems. Designed specifically for C-band satellite reception, it plays a crucial role in receiving and converting high-frequency signals from satellites into lower-frequency signals that can be easily processed by satellite receivers. The C-band LNB operates in the 3.4-4.2 GHz frequency range and employs advanced technology to minimize noise and optimize signal quality. It typically consists of a feedhorn, a mixer, and an oscillator, all housed in a compact and durable enclosure. With its efficient signal conversion capabilities, the C-band LNB enables reliable and high-performance reception of C-band satellite broadcasts, making it a fundamental component for satellite TV, internet, and data services worldwide.

C-Band LNB(LNBF) C-Band LNB(PLL)
Input Frequency 3.4 to 4.2GHz 3.8 to 4.2GHz
Output Frequency 950 to 1750MHz 950 to 1350MHz
L.O.Frequency 5150 MHz
Style Single (Output)
L.O. Stability ±1.5MHz(-40 to +70)
Lo leakage input port 45dBm
Noise Figure 13/15/17°K typ
Conversion Gain 60dB typ
Gain Flatness ±1dBm(max)
Input VSWR 2.51(max)
Output VSWR 2.01(max)
Output Connector F-female Connector
Output Impedance 75Ω
Cross Polar Isolation 20dB(min)
Image Rejection 45dB(min)
Phase Noise dBc/@10kHz(max)
Supply Voltage  11.5-14.0v(Vertical Polarization)
 16.0-19.0v(Horizontal Polarization)
Operating Temperature -40℃ to +70℃
Stroage Temperature -40℃ to +80℃
Relative Humidity 0% to 95%
Weight 4.25 kg
Dimensions 17 × 10.5 × 20 cm

FAQ:

1. How about the delivery date?

Delivery time: 1-100 pieces, 7 days after payment received

Negotiation is required for orders over 100 pieces

2. What modes of transportation are available?

Express (UPS/DHL/Fedex/EMS/ARAMEX) Air and Sea Freight

3. Does the product support customization?

Of course, we accept OEM and ODM orders. OEM: LOGO and brand printing, product packaging and outer packaging requirements. ODM: Provide us with product technical parameters and more details.

4. Is there any warranty?
Users shall use it in the usual manner under the conditions of complying with this provision. Products damaged due to quality reasons that cannot operate normally within three years from the date of shipment can be replaced or repaired free of charge.

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