13.75 GHz-15.25GHz LNB Ku band LNB

Description

Shenzhen Huashi GX13751525G Ku-Band LNB Technical Parameters

Parameter	Value	Description
Input Frequency​	13.75 GHz – 15.25 GHz	Ku-band high-frequency band, commonly used for satellite communications, broadcasting, etc.
Local Oscillator (LO) Frequency​	12.8 GHz	Output frequency = Input frequency – LO frequency, i.e., 950 MHz – 2450 MHz
Output Frequency​	950 MHz – 2450 MHz	Standard L-band, compatible with most satellite receivers
Noise Figure (NF)​	0.8 dB – 1.2 dB	Lower values indicate higher receive sensitivity; high-end products can reach below 0.6 dB
Gain​	55 dB – 65 dB	Signal amplification capability; flatness is typically required to be ≤2 dB
LO Stability​	PLL locked, ±3 kHz – ±10 kHz	Ensures frequency stability and minimizes signal drift
Polarization​	Linear (V/H) or Circular	Selectable according to the satellite signal’s polarization
Power Supply​	13V / 18V (with 22 kHz tone for band/polarization switching)	Supplied by the satellite receiver
Interfaces​	Input: WR75 / WR120 waveguide Output: N-type or F-type connector	Adaptable to different antennas and transmission lines

Key Features

Wideband Coverage: Covers a 1.5 GHz bandwidth, suitable for receiving signals from multiple satellites. Ideal for multi-satellite reception or broadband satellite communication systems.

Low-Noise Design: Utilizes low-noise devices such as HEMT to reduce the NF and improve weak-signal reception.

High Stability: Employs PLL LO technology for frequency stability, suitable for operation in harsh environments from -40℃ to +60℃.

Polarization Switching: Supports linear or circular polarization switching, controlled by receiver voltage and a 22 kHz tone.

Interference Resistance: Some models integrate anti-5G interference filters to suppress interference from 5G base stations, enhancing reception reliability.

Application Scenarios

Satellite Communications (VSAT): For enterprise, government, and maritime broadband satellite communication systems, providing high-speed data transmission.

Satellite Broadcasting: For receiving satellite TV broadcast signals in professional broadcasting or TV signal distribution applications.

Data Acquisition: Supports data reception from meteorological, remote sensing, and other satellites, suitable for scientific research and environmental monitoring.

Multi-Satellite Reception: The wideband characteristic allows receiving signals from multiple adjacent satellites simultaneously, reducing the number of antennas and installation costs.

Tel：+86 18688706870