Fixed Attenuator 2.92 Male to Female 20W 40GHz 20dB

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RF Fixed Attenuators

Fixed Attenuator 2.92 Male to Female 20W 40GHz 20dB

Model: TRL-2.92MF-20-40-20

Product Introduction

Series 2.92mm Coaxial connectors are one kind of precision millimeter-wave connectors developed from series SMA.They adopt air interface.They have the advantages of small,light,high frequency and superior reliability,etc.The products have been widely used in the field of modern precision measure and micro-wave communication equipment.

Detailed Information

2.92mm Male to Female Fixed RF Attenuator (20W, 40GHz, 20dB) (TERUILAI P/N: TRL-2.92MF-20-40-20) Full Product Specification

1. Core Product Overview

This 2.92mm male-to-female fixed RF attenuator is a precision millimeter-wave passive component evolved from the SMA series connectors, adopting an air interface design. It features a nominal attenuation of 20dB, a rated power handling capacity of 20W, and a wide operating frequency range of 0-40GHz. With the core advantages of small size, light weight, ultra-high frequency performance and superior reliability, it is widely used in modern precision measurement instruments and microwave communication equipment. The product complies with RoHS environmental protection standards.

2. Core Product Features

2.1 Ultra-high Frequency Millimeter-wave Performance

  • Supports 0-40GHz full-band millimeter-wave signal attenuation, covering mainstream 5G/6G and high-frequency test application bands

  • Characteristic impedance of 50Ω, Voltage Standing Wave Ratio (VSWR) ≤1.3

  • High attenuation accuracy and flat frequency response, ensuring precise and stable control of RF signal amplitude across the entire frequency range

2.2 High Power Handling Capability

  • Rated input power of 20W, meeting the signal attenuation requirements of medium-to-high power millimeter-wave systems

  • Optimized heat dissipation structure ensures stable operation under continuous high-power input conditions

2.3 Precision Air Interface Design

  • Adopts advanced air interface technology to minimize signal reflection and insertion loss

  • 2.92mm male to 2.92mm female straight-through structure, realizing seamless connection and signal conversion between 2.92mm interface devices

  • Precision-machined interfaces ensure perfect matching and reliable electrical connection

2.4 Rugged & Durable Construction

  • Body made of high-quality stainless steel with passivation treatment, providing excellent corrosion resistance and mechanical strength

  • Durability of ≥500 mating cycles, suitable for frequent plugging and unplugging in test and equipment maintenance scenarios

  • All-metal shielding structure effectively suppresses electromagnetic interference and guarantees signal integrity

2.5 Extreme Environmental Adaptability

  • Ultra-wide operating temperature range: -55℃ ~ +125℃, adapting to extreme high and low temperature working conditions

  • Stable performance under harsh industrial and outdoor environments

RoHS Certificate: Compliant


Electrical data Requirments
Frequency range 0-40GHZ
Characteristic impedance 50Ω
VSWR ≦1.3



Mechanical data Requirments
Durability (matings)≧500



Environmental dataRequirments
Temperature range -55℃ to +125℃



Material data Requirments
Connector parts Material Plating
BodyStainless steel ,passivated
Female center contactsBeryllium-Copper Gold-plated
Insulators PEI







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