Best Fibre Optic Attenuators of 2026

The FLYPROFiber LC Attenuator provides high precision attenuation, allowing you to control the optical signal intensity accurately. This is particularly beneficial in fibre optic communications where precise power control is essential. With low insertion loss, you can enjoy minimal energy loss as the signal passes through, enhancing overall efficiency. The wide wavelength range means this attenuator can work with various optical signals, from visible light to infrared, making it versatile for different applications. Additionally, the reliable connection interface offers stability and ease of use, ensuring a consistent performance.

The Nooelec SMA Attenuator Kit offers a convenient set of six 50Ω in-line attenuators, allowing you to easily adjust signal strength. With values ranging from 1dB to 20dB, you can achieve precise attenuation anywhere between 1dB and 42dB in 1dB increments. This flexibility is ideal for fine-tuning your setup. The kit also boasts exceptional accuracy of +/- 0.1dB up to 3GHz, ensuring reliable performance. Each value is laser-etched for durability, so you can trust the labels will last throughout the life of the devices.

The BECEN 25W Attenuator is designed to handle a maximum input power of 25 watts and provides a significant attenuation of 30dB. This means you can effectively reduce the signal strength without compromising quality, making it ideal for lab and radio applications. With a frequency range extending from DC to 3GHz, you can use it across various devices. Its low VSWR of 1.20 or less ensures efficient power transfer, allowing you to connect it easily to both male and female connectors for versatile use.

The AUNMAS SMA Attenuator is ideal for measuring attenuation values directly in network tests, making your work more straightforward. It is widely used in electronic equipment, allowing you to adjust signal strength easily within your circuits. This product helps improve impedance matching by acting as a buffer between circuits and load impedances, ensuring stable performance. Thanks to its carbon film construction, it offers consistent resistance and reliable operation, which means you can trust it to perform steadily even with temperature changes.

The BECEN 10dB Attenuator is designed for reliable performance with a maximum input power of 25W, allowing you to handle strong signals without damage. It provides a fixed attenuation of 10dB±0.5dB, which helps reduce signal strength consistently, making your measurements or transmissions more accurate. Operating across a wide frequency range from DC to 3GHz, this device suits various radio and lab applications. The low VSWR of ≤1.20 ensures minimal signal reflection, improving signal quality for your equipment.

The BECEN 20dB 25W Attenuator is designed to handle up to 25 watts of input power, making it suitable for various lab and radio applications where power management is crucial. It offers a fixed attenuation of 20dB, allowing you to reduce signal strength effectively to protect sensitive equipment. With a wide frequency range from DC to 3GHz, you can use it in many different settings without worrying about compatibility. The low VSWR of ≤1.20 ensures minimal signal reflection, helping maintain signal integrity for better performance.

The BECEN 10W Attenuator is a reliable tool for managing signal levels. With a maximum input power of 10W, you can be assured of its capability in various applications. Its impressive attenuation value of 40dB ±1.5dB allows you to effectively reduce signal strength as needed. The frequency range of DC to 3GHz ensures compatibility with a wide range of devices, making it a versatile choice for your needs. Additionally, the device maintains a low VSWR of ≤1.20, which helps optimise signal quality.