Contact Us
- The 3rd floor, Building A, Baolai Mansion, Hechang Road, Luozu Community, Shiyan Sub-district, Bao'an District, Shenzhen City
- sales@hualinkrf.com
- +86-755-88896526
SMA Fixed Attenuators
Description: SMA male to SMA female fixed Attenuators, frequency up to 26.5GHz, power from 2 to 10 watts.
● VSWR: 1.30 Max. @ 26.5 GHz
● Attenuators: 1 to 30dB
● Durability: ≥ 500 Cycles;
● Body Material: Stainless Steel
● Center Contact Material: Brass gold plated
Description
Introduction
Hualink offering 2 to 10 watts SMA fixed attenuator and the operating frequency can reach up to 26.5 GHz. This type attenuator is bidirectional. There are used to reduce or step down the power level of a signal while maintaining the waveforms integrity. We have 6 molders for different frequency (4GHz, 6GHz, 8GHz, 12.4GHz, 18GHz and 26.5GHz) that are used for different application.
Specification
Electrical | |
● Impedance: 50 Ω | ● Input Power: 2-10 Watts |
● Frequency Range: DC – 26.5 GHz | ● Peak Power: 0.1Kw to 0.5 Kw |
● VSWR: 1.30 Max @ 26.5 GHz | |
● Insertion Loss: 1 to 30dB @ 26.5 GHz | |
Mechanical | |
● Durability: ≥ 500 Cycles | ● Coupling Torque: 7-10 lb-in Recommended |
Environmental | |
● Temperature Range: -55 ℃ to +125 ℃ | |
Material & Finish | |
● Connector: Stainless Steel, Passivated | ● Housing: Aluminum blacken anodize |
● Male Center Contact: Brass, Gold Plated | ● Female Center Contact: Beryllium Copper, Gold Plated |
Typical Performance Data (@ 25℃)


DUT: SMA male to SMA female 2watts 10dB attenuator
Features and Benefits
● Attenuation Range: 3dB, 6dB, 10dB, 20dB, 30dB; 40 to 60dB are available
● Input Power: 2 watts, 5 watts, 10 watts; 50watts, 100 watts available
● Operating Frequency of 26.5 GHz Max.
● Top quality
Applications
● Instrumentation
● Precision measurements
● characterization
● Production systems
● EMI, EMC Test
● Shielding Box Test
FAQ
1. What is RF Coaxial attenuator?
RF microwave attenuators (also known as RF pads) lower the amplitude of a signal (attenuate) a known amount and can be used in a wide variety of applications. These attenuator pads are used when a signal needs to be reduced to protect measurement equipment or other circuitry, to extend the range of power meters and amplifiers and to impedance match circuits by reducing the VSWR seen by adjacent components. RF attenuators can prevent signal overload in amplifiers, receivers and detectors, adjusting the signal level to a range that is optimal.
2. Hualink's SMA Series:
The working frequency of SMA series can reach up to 27GHz. It adopts reliable screw connection method, which is widely used in communication, testing, automobile, satellite, radar, radio astronomy and other fields. The dielectric adopts material of PTFE/Teflon. Due to simple structure and small volume, this series can work at higher frequencies. The interface is compatible with 3.5 mm, 2.92 mm, SMK, and K series connectors.
Packaging, Shipping

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