Name: Universal Twin LNBF Ku-Band LNB with Dual LO 9.75/10.6GHz, V/H Polarization and 0.7dB Noise Figure
Brand: Chenzhou Seton Technology Co., Ltd
SKU: ST-K22FB
Availability: InStock

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Universal Twin LNBF Ku-Band LNB with Dual LO 9.75/10.6GHz, V/H Polarization and 0.7dB Noise Figure

Dual LO 9.75/10.6GHz Universal Twin LNBF

V/H Polarization Ku-Band LNB

0.7dB Noise Figure Satellite Signal Receiver

Place of Origin:

CHINA

Brand Name:

SETON

Certification:

CE, ISO, ROHS, POP, REACH

Model Number:

ST-K22FB

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Product Details

Input Frequency Range (Low-Band):

10.7GHz ~ 11.7GHz

Input Frequency Range (High-Band):

11.7GHz ~ 12.75GHz

Output Frequency Range (Low-Band):

950MHz ~ 1950MHz

Output Frequency Range (High-Band):

1100MHz ~ 2150MHz

Low Band LO Frequency:

9.75GHz

High Band LO Frequency:

10.6GHz

Noise Figure:

0.7dB (Typ.)/ 1.0dB(Max.)

Conversion Gain:

55dB~65dB/ 60dB (Typ.)

Highlight:

Dual LO 9.75/10.6GHz Universal Twin LNBF

V/H Polarization Ku-Band LNB

0.7dB Noise Figure Satellite Signal Receiver

Payment & Shipping Terms

Minimum Order Quantity

2000pcs

Packaging Details

CARTON

Delivery Time

30-35 days

Payment Terms

T/T,Western Union

Supply Ability

15 million pieces

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86-0735-8888458

huang@setontech.cn

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Product Description

ST-K22FB Universal Twin LNBF

Ku-Band, Dual LO 9.75/10.6GHz, V/H Polarization

Product Overview

The ST-K22FB is a high-performance Universal Twin LNBF designed for satellite reception in the Ku-Band frequency range. This dual-output unit enables simultaneous operation of two independent satellite receivers, making it ideal for multi-room setups or PVR systems.

Key Specifications

Input Frequency: 10.7~12.75 GHz
Local Oscillator: 9.75 GHz and 10.6 GHz
Polarization: Vertical and Horizontal
Noise Figure: 0.7dB (Typical) / 1.0dB (Maximum)
Conversion Gain: 55dB~65dB / 60dB (Typical)
Working Temperature: -30℃ to +60℃

Technical Specifications

Parameter	Low-Band	High-Band
Input Frequency Range	10.7GHz ~ 11.7GHz	11.7GHz ~ 12.75GHz
Output Frequency Range	950MHz ~ 1950MHz	1100MHz ~ 2150MHz
LO Frequency	9.75GHz	10.6GHz

Noise figure	0.7dB (Typ.)/ 1.0dB(Max.)
LO Initial Accuracy	0.5MHz
LO Temperature Drift (-30~+60℃)	0.75MHz
LO phase noise @ 1 KHz	-75dBc/Hz
LO phase noise @ 10 KHz	-80dBc/Hz
LO phase noise @ 100 KHz	-90dBc/Hz
Conversion Gain	55dB~65dB/ 60dB (Typ.)
Gain Flatness	3.0dB (Max.)
Gain Variation	0.5dB/26MHz
O/P 1dB Compression Point (P1 dB)	0.0dBm (Min.)
Image-Rejection	-40dBc (Min.)
Crosstalk Isolation	20dB (Min.)
O/P VSWR	2.5:1
Control Signals Ca V	10.0V~14.0V
Control Signals Cb H	16.0V~20.0V
Control Signals Cc	22±4KHz
DC-Power	10~20V/150Vdc*mA (Max.)
Output Impedance	75Ω (F-Type)
Working Temperature	-30℃~+60 ℃

What is a Twin LNBF?

A KU Band Universal Twin LNB is a satellite signal receiver that operates in the 10.7-12.75 GHz frequency range using Universal switching standard (9.75/10.6 GHz oscillators controlled by 22 kHz tone). The "Twin" designation indicates two independent outputs, allowing simultaneous operation of two separate satellite receivers.

Twin vs Single LNB Comparison

Feature	Single LNB	Twin LNB
Outputs	1 coaxial port	2 coaxial ports
Receivers	Can feed 1 receiver	Can feed 2 independent receivers
Internal Design	One tuner circuit	Two independent tuner circuits
Primary Use	One TV setup	Two-TV setup without additional equipment

Key Benefits

True multi-room and multi-tuner support
Independent operation of two receivers
Essential for modern PVR recording features
Future-proof solution for expanding satellite systems
Clean installation without additional splitters or switches

Typical Applications

Two-TV household setups
Modern twin-tuner PVR systems
Watch one channel while recording another
Record two channels simultaneously

Important Note: The Twin LNB contains two completely independent LNBs in one housing - it is not a simple splitter. Each output operates independently, allowing different channels to be viewed simultaneously without interference.

Tags：

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