Home » LNB » X-Band LNB » X-band LNB 7.25-7.75 GHz WR-112 N/F/SMA
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High-performance X-band LNB downconverter with low noise figure and high gain for reliable RF signal reception.
Rugged, waterproof X-band LNB with external 10 MHz reference and compact size for telecom, telemetry, and defense use.
PLL-stabilized X-band low noise block with high image rejection and exceptional gain flatness at 36 MHz.
WR-112 input LNB designed for stable frequency downconversion to 950–1450 MHz with SMA/F/N output options.
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High-performance X-band LNB downconverter with low noise figure and high gain for reliable RF signal reception.
Rugged, waterproof X-band LNB with external 10 MHz reference and compact size for telecom, telemetry, and defense use.
PLL-stabilized X-band low noise block with high image rejection and exceptional gain flatness at 36 MHz.
WR-112 input LNB designed for stable frequency downconversion to 950–1450 MHz with SMA/F/N output options.

10945

X-band LNB 7.25-7.75 GHz WR-112 N/F/SMA

Short description

High-performance X-band LNB 7.25–7.75 GHz with 6.3 GHz LO, WR-112 input, low noise figure, and SMA/F/N outputs. Ideal for satellite, radar, and telemetry systems.

X-bandSMA (50 Ohm)
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    The X-band LNB 7.25-7.75 GHz WR-112 N/F/SMA is a compact, weatherproof, and high-performance downconverter designed for critical X-band applications. It supports both internal and external 10 MHz references and features a 6.3 GHz local oscillator that provides superior spectral purity with phase noise performance of -75 dBc/Hz @1 kHz, -85 dBc/Hz @10 kHz, and -95 dBc/Hz @100 kHz.

    This unit offers 0.6 dB typical noise figure, 55 dB typical gain, and output power of +5 dBm P1dB min. It is equipped with a WR-112 waveguide flange, F- or N-type output connectors, and supports supply voltages from +12 to +24 VDC.

    L.O.: 6.3 GHz    IN freq.: 7.25-7.75 GHz   OUT freq.: 950-1450 MHz

    The downconverter is ruggedized to IP67 standards, operates across -40°C to +60°C, and is ideal for integration into fixed, mobile, or airborne RF platforms.

    ⭐ Key Features:

    • Input Frequency: 7.25-7.75 GHz

    • Output Frequency: 950–1450 MHz

    • Local Oscillator: 6.3 GHz (PLL stabilized)

    • Noise Figure: 0.6 dB typical / 0.7 dB max

    • Conversion Gain: 55 dB typical (50–62 dB range)

    • Gain Flatness: 4 dBp-p max over full band

    • Gain Ripple: 1 dBp-p per 36 MHz

    • Image Rejection: ≥ 40 dBc

    • Output P1dB: +5 dBm min

    • External Reference: 10 MHz, –5 to +5 dBm

    • Input: WR-112 flange with groove

    • Output Connectors: F-type or N-type female

    • Power Supply: +12 to +24 VDC, max 300 mA

    • Waterproofing: IP67

    • Dimensions: 70 x 59 x 118 mm

    • Weight: 620 g

    ⚙️ Main Functions:

    • Downconversion of X-band signals to L-band IF

    • Stable LO for secure communications and remote sensing

    • High-gain amplification for weak signal reception

    • Phase-coherent signal processing in RF systems

    💡 Why Choose Us:

    • 🧪 In-house lab for design and quality testing

    • 💬 Dedicated technical support from RF experts

    • 🛡️ Extended 1.5-year warranty

    • 🔧 7-year post-warranty service

    • 📡 Proven expertise in professional TV and telecom markets

      👉 Order today or reach out for a free consultation on integrating this LNB into your solution.

    Input parameters:
    Input frequency range 7.25 – 7.75 GHz
    Input interface WR-112 waveguide (with groove)
    Input VSWR, max 2.5 : 1
    Local Oscillator:
    LO frequency 6.3 GHz
    LO stability (internal ref) ±5/10/25 kHz max
    External reference 10 MHz, –5 to +5 dBm
    Phase noise @1 kHz –75 dBc/Hz
    Phase noise @10 kHz –85 dBc/Hz
    Phase noise @100 kHz –95 dBc/Hz
    Output parameters:
    Output frequency range 950 – 1450 MHz
    Output connector F or N-type female
    Output VSWR, max 2.5 : 1
    Output P1dB +5 dBm min
    Gain and noise:
    Noise figure 0.6 dB typ / 0.7 dB max
    Conversion gain 55 dB typ (50–62 dB)
    Gain flatness (full band) 4 dBp-p max
    Gain ripple (36 MHz) 1 dBp-p max
    Image rejection ≥ 40 dBc
    Power & environment:
    Input voltage +12 to +24 VDC
    Current consumption ≤300 mA
    Operating temperature –40℃ to +60℃
    Waterproof rating IP67
    Mechanical:
    Dimensions (W x H x D) 70 x 59 x 118 mm
    Weight 620 g

    Taking into consideration that we (ROKS PrJSC) are developer and system integrator, also do not stop on our technical growth and improvement, know that the view of all our devices and equipment including their technical parameters may be different from pictures presented on website and parameters listed on each device webpage.

    Note! All details the customer has to confirm in advance during ordering and before payment. Those parameters that were not specified and / or were not agreed while ordering will be implemented as basic at the discretion of the manufacturer. Each of our customers has a 1.5 year warranty and 7 year aftersales support for the whole range of our products.

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