Products Description

A Low Noise Block Converter (LNB) is the critical front-end component of satellite reception systems, responsible for amplifying weak satellite signals captured by the dish and downconverting them to manageable intermediate frequencies (IF) for transmission via coaxial cables to receivers. Our LNB series covers six key frequency bands-1~8.5GHz, 8~18GHz, 18~40GHz, Ka-Band, Ku-Band, and Broadband-engineered to meet the diverse needs of global satellite communication networks.

Each model integrates advanced microwave technology, phase-locked loop (PLL) stabilization, and robust interference mitigation, making them ideal for both commercial broadcast and mission-critical communication applications. Designed to comply with DVB-S2X standards, they support ultra-high-definition (4K/8K) signal transmission while maintaining exceptional signal integrity.

Products Specification

Parameter	1~8.5GHz Model	8~18GHz Model	18~40GHz Model	Ka-Band Model	Ku-Band Model	Broadband Model
Input frequency range	1~8.5GHz	8~18GHz	18~40GHz	17.7~21.2GHz	10.7~12.75GHz	1~24GHz
Output frequency range	950~2150MHz	950~2150MHz	950~2150MHz	950~2150MHz	950~2150MHz	950~2150MHz
Local oscillator (LO)	Configurable	9.75/10.6GHz	17.3/19.2GHz	16.8/18.7GHz	9.75/10.6GHz	Multi-band PLL
Noise figure (typ./max.)	0.5dB/0.8dB	0.4dB/0.7dB	0.6dB/0.9dB	0.2dB/0.7dB	0.2dB/0.7dB	0.3dB/0.8dB
Conversion gain	≥55dB	≥60dB	≥58dB	≥65dB	≥60dB	≥57dB
LO Phase poise (@10kHz)	≤-85dBc/Hz	≤-90dBc/Hz	≤-80dBc/Hz	≤-90dBc/Hz	≤-90dBc/Hz	≤-85dBc/Hz
1dB compression point	≥3dBm	≥5dBm	≥4dBm	≥6dBm	≥5dBm	≥4dBm
Cross polarization Isolation	≥25dB	≥26dB	≥24dB	≥25dB	≥26dB	≥25dB
4G/LTE interference immunity	Yes	Yes	Yes	Yes	Yes	Yes
Output connector	F-type (female)	F-type (female)	F-type (female)	F-type (female)	F-type (female)	F-type (female)
Power consumption	≤120mA	≤150mA	≤200mA	≤180mA	≤100mA	≤160mA
Weight	85g	110g	177g	120g	83g	135g

Products Features

Ultra-Low Noise Figure: As low as 0.2dB typical (Ka/Ku-Band models) minimizes signal degradation, ensuring superior reception even at the edge of satellite footprints.

High-Frequency Stability: Integrated PLL technology delivers ±1MHz initial accuracy and ±2MHz temperature drift, eliminating signal dropouts in extreme weather.

Strong Interference Resistance: Advanced filter design provides ≥40dB image rejection and robust 4G/LTE interference immunity, critical for urban deployments.

UHD-Ready Performance: Compliant with DVB-S2X standards, supporting 4K/8K ultra-high-definition transmissions for broadcast and professional media applications.

Multi-Band Compatibility: Broadband model covers 1~24GHz, reducing inventory costs for systems requiring flexible frequency support.

Advantages

Solid Operational Stability

Strong financial foundation ensures long-term reliability; standardized governance reduces risks for global partners.

Advanced R&D & Production Capabilities

ISO 14644 Class 100,000 cleanroom (micro-packaging) & 18,000㎡ R&D-production space-meets strict aerospace manufacturing standards.

100+ test instruments (0.1–67GHz) enable full-process quality control for precision products.

300+ professional team (R&D, production, integration) guarantees efficient project delivery.

Leading Position in Aerospace Sector

Specializes in aerospace ground equipment (R&D, production, integration); products applied in:

satellite communication, remote sensing, TT&C, radio monitoring, spectrum awareness.

Powerful Technological Innovation

Leading RF integrated design supplier in its industry sector; original inventor & patent holder of large-scale matrix switching technology.

Products Application

DTH Broadcasting

Satellite Communication

Networks Broadcasting

Telecom Infrastructure

Service

Customization Support: Tailor frequency ranges, LO settings, and connector types to match specific system requirements (minimum order quantity: 50 units).

Technical Documentation: Instant access to datasheets, 3D CAD models, and application notes via our customer portal; dedicated engineer support for system integration.

Warranty Coverage: 3-year standard warranty (extendable to 5 years for bulk orders) with global repair/replacement services.

Logistics Solutions: Consolidated packaging (50 units per carton) with ESD protection; expedited shipping options for emergency deployments.

Training Programs: Free online webinars for installers and engineers on product selection, mounting, and troubleshooting.

FAQ

Q: What is the difference between Ku-Band and Ka-Band LNBs?

A: Ku-Band (10.7~12.75GHz) is ideal for DTH and broadcast due to better rain fade resistance, while Ka-Band (17.7~21.2GHz) offers higher bandwidth for ultra-high-definition and broadband services.

Q: Can your LNBs work with existing satellite dishes?

A: Yes, all models feature standard C120 flanges or universal mounting brackets compatible with 45cm~1.2m dishes used in most commercial systems.

Q: How does the 4G/LTE interference mitigation work?

A: We integrate high-stop filters at 700~2700MHz (4G/LTE bands) and adaptive gain control to suppress unwanted signals, ensuring clean satellite reception.

Q: What is the maximum cable length supported?

A: With our ≥55dB gain, signals remain stable over 100m of RG-6 coaxial cable; for longer runs, we recommend pairing with our low-noise amplifiers.

Q: Are your LNBs compatible with 4K/8K receivers?

A: All models comply with DVB-S2X, the global standard for 4K/8K transmission, and work seamlessly with leading receiver brands (Strong, Humax, Samsung).

Q: How do I troubleshoot signal dropouts?

A: Check for: 1) Loose F-connector connections, 2) Excessive cable length (>100m), 3) Obstructions blocking the dish, or 4) Power supply issues (10~21VDC required).

Q: What is included in the warranty?

A: The warranty covers manufacturing defects, component failures, and performance degradation; it excludes damage from improper installation or extreme physical impact.

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