Straight
Waveguides
Precision-engineered straight waveguides for reliable RF and millimeter wave signal transmission. Gold-plated OFHC copper construction with brass flanges. Available from WR-03 through WR-28.
Select a Waveguide
WR-28
26.5 - 40 GHz
View ProductWR-22
33 - 50 GHz
View ProductWR-19
40 - 60 GHz
View ProductWR-15
50 - 75 GHz
View ProductWR-12
60 - 90 GHz
View ProductWR-10
75 - 110 GHz
View ProductWR-08
90 - 140 GHz
View ProductWR-06
110 - 170 GHz
View ProductWR-05
140 - 220 GHz
View ProductWR-03
220 - 330 GHz
View ProductPrecision Built for Signal Integrity
RF Essentials straight waveguides are precision-engineered components designed for advanced millimeter-wave systems. Constructed with oxygen-free high conductivity (OFHC) copper and finished with gold plating, these waveguides ensure exceptional signal integrity, minimal insertion loss, and robust resistance to corrosion.
Every waveguide is available in standard lengths and can be customized to suit your specific system requirements. From 5G infrastructure to satellite communication, our straight waveguides are trusted building blocks for high-frequency RF and microwave systems.
Key Features
OFHC Copper Body
Oxygen-free high conductivity copper waveguide body with brass flanges for superior performance.
Gold Plated Finish
Gold plating provides superior corrosion resistance and ensures long-term signal reliability.
Low Insertion Loss
Engineered for minimal insertion loss and excellent Voltage Standing Wave Ratio (VSWR).
Materials & Finish
-
01
Waveguide Body
Oxygen-free high conductivity (OFHC) copper for maximum signal performance and minimal loss. -
02
Flanges
Precision-machined brass flanges. Standard and anti-cocking configurations available by WR size. -
03
Surface Finish
Gold plating for superior corrosion resistance, environmental durability, and long-term signal reliability. -
04
Custom Lengths
Available in standard lengths. Custom dimensions manufactured to your exact system requirements.
Applications
5G Infrastructure
Ideal for high-frequency front-end systems in next-generation wireless networks requiring precision waveguide components.
Radar Systems
Supports precision sensing and imaging solutions for defense, weather monitoring, and autonomous vehicle radar.
Advanced Communications
Delivers consistent performance in millimeter-wave communication links for point-to-point and backhaul systems.
Satellite Communication
Suitable for spaceborne and ground-based terminals requiring reliable signal transmission at high frequencies.
More Waveguide Components
Frequently Asked Questions
What is a straight waveguide?+
A straight waveguide is a hollow, rectangular metallic tube used to transmit electromagnetic waves at microwave and millimeter-wave frequencies with minimal signal loss. They are fundamental building blocks in RF systems, connecting components like antennas, amplifiers, and mixers.
What waveguide sizes does RF Essentials offer?+
RF Essentials manufactures straight waveguides in sizes from WR-28 (Ka-Band, 26.5 to 40 GHz) through WR-03 (J-Band, 220 to 330 GHz), covering Ka, Q, U, V, E, W, F, D, G, and J frequency bands.
What materials are RF Essentials waveguides made from?+
RF Essentials waveguides are manufactured from oxygen-free high-conductivity (OFHC) copper for the waveguide body, with precision-machined brass flanges. All surfaces are gold-plated for corrosion resistance and optimal electrical conductivity.
Can RF Essentials make custom-length waveguides?+
Yes. RF Essentials manufactures waveguides in standard lengths and offers custom lengths built to your exact specifications. Contact our engineering team to discuss your system requirements.
Are RF Essentials waveguides made in the USA?+
Yes. All RF Essentials waveguides are proudly manufactured in the United States at our facility in St. Petersburg, Florida. Domestic manufacturing allows us to maintain strict quality control and fast turnaround times.