WR75-C120 Adapter (L = 40 mm) is a precision-engineered waveguide transition designed for Ku-band satellite systems, parabolic dish antennas and high-frequency microwave equipment. Manufactured for ultra-low attenuation and stable electrical performance, this adapter ensures optimal RF matching between WR75 and C120 flanges while maintaining minimal insertion loss and excellent return loss characteristics. Its compact 40 mm form factor and rigid mechanical design provide high reliability in demanding communication environments.
With an insertion loss of less than 0.1 dB and amplitude-frequency unevenness not exceeding 0.5 dB across the operational band, the WR75-C120 Adapter (L = 40 mm) maintains high efficiency in directed RF paths. The adapter is widely used in Ku-band feedhorns, BUC/LNB interface assemblies, satellite broadcasting infrastructure and precision microwave test systems. Engineered to deliver stable impedance and minimal reflection losses, it significantly improves the overall performance of parabolic dish antenna systems and feed assemblies.
✅ Ultra-low attenuation waveguide transition
The WR75-C120 Adapter (L = 40 mm) provides less than 0.1 dB insertion loss, ensuring maximum signal transfer efficiency in satellite communication links. Its optimized geometry supports broadband Ku-band operation with minimal power degradation.
✅ Stable amplitude-frequency response
With AFC unevenness not exceeding 0.5 dB, the adapter maintains consistent performance across the full working band. This stability enhances link reliability for broadcast, telemetry and RF measurement systems.
✅ Compact 40 mm precision-milled body
Featuring a robust 40 mm design, the adapter delivers stable mechanical alignment, reducing reflection losses and maintaining low VSWR. It is ideal for compact antenna systems and tight-space RF installations.
🛠️ Whether you need a WR75 to C120 waveguide transition, a Ku-band adapter with ultra-low insertion loss, or a compact 40 mm waveguide interface for feedhorn and antenna assemblies, the WR75-C120 Adapter (L = 40 mm) is a reliable and integration-ready solution for professional RF systems.
🛒 The WR75-C120 Adapter (L = 40 mm) is an excellent choice for Ku-band satellite front-end systems, reflector interfaces and microwave RF chains that require minimal loss and stable transition characteristics. Its compact construction and precise machining make it suitable for both fixed and mobile communication installations.
📌 Key features
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Precision WR75-C120 waveguide adapter for Ku-band antennas
This adapter ensures excellent RF alignment between WR75 and C120 interfaces, enabling efficient signal flow in satellite dish systems and feedhorn assemblies. Its precision-milled design supports high-frequency operation with minimal error.
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Ultra-low 0.1 dB insertion loss for microwave RF systems
Engineered for minimal attenuation, the adapter supports long-distance satellite communication links and reduces system-level power losses. Such low insertion loss is crucial for maintaining high SNR in demanding microwave applications.
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Amplitude-frequency unevenness ≤ 0.5 dB across the band
The adapter maintains a stable amplitude-frequency characteristic, ensuring consistent system performance. This characteristic enhances reliability in satellite broadcasting, telemetry chains and RF laboratory setups.
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Compact and rigid 40 mm construction
The small form factor ensures easy integration in restricted installation spaces without compromising mechanical strength. The rigid body maintains alignment and low VSWR under environmental stress.
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High return-loss performance for optimized feed interfaces
Matched impedance reduces reflection losses, improving overall antenna efficiency and enhancing uplink and downlink performance. It is ideal for feedhorn-to-waveguide transitions in Ku-band installations.
⚙️ Main functions
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Accurate waveguide transition between WR75 and C120 flanges
The adapter ensures precise RF matching between two standard waveguide interfaces, creating a stable signal path with minimal mismatch. This improves system performance in satellite communication assemblies.
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Reduction of RF insertion loss and reflection error
With its extremely low attenuation, the adapter protects RF systems from signal waste and return loss. This is essential in high-power uplinks and low-noise downlink receivers.
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Stabilization of amplitude-frequency characteristics
AFC deviation below 0.5 dB ensures balanced frequency response across the operational Ku-band. This stability is necessary for modulation integrity and accurate RF measurement scenarios.
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Mechanical support for feedhorn and antenna assemblies
Its rigid mechanical structure supports stable alignment in parabolic reflector systems, improving phase accuracy and maintaining proper polarization characteristics.
🧩 Applications
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Ku-band satellite communication antennas
Ideal for feedhorn and waveguide interface assemblies requiring low-loss transitions. It enhances system gain and reduces RF mismatch.
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BUC and LNB front-end integration
Suitable for linking front-end modules through stable WR75/C120 transitions with minimal attenuation and precise impedance match.
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Broadcast uplink and downlink terminals
It improves RF performance in terrestrial broadcasting, teleports and satellite gateways using WR75 or C120 paths.
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Microwave RF measurement and testing setups
Perfect for laboratory and field measurement systems requiring predictable amplitude-frequency characteristics and minimal loss.
💡 Why you should buy from us❓
- 1.5 years warranty
- 7 years after-sales support
- Remote support team of engineers
- Discount program for regular customers 🎁
💬 Contact Us
For additional details or assistance regarding the WR75-C120 Adapter (L = 40 mm), feel free to contact our team. We provide professional consultation and aftersales support to help with installation and setup, ensuring you get the most out of your equipment.
