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Waveguide Tunable Attenuator
Product model
Operating frequency (GHz)
Insertion loss in state 0 (dB)
VSWR (:1)
Attenuation Dynamic Range (dB)
Attenuation Step (dB)
Attenuation response (dB)
Average Power (W)
RF Interface Type
Control type
Collect
Download
3D model
MATT 1960L
40~60
<2
<1.2
/
0.1
/
0.2
UG-383/U WR19
/
MATT 1560L
50~75
<2
<1.2
/
0.1
/
0.2
UG-385/U WR15
/
MATT 1230L
60~90
≤0.5
≤1.25
0-30
Continuous
±0.6
≤0.5
UG-387/U WR12
Manually rotatable, continuously adjustable
MATT 1030L
75~110
≤0.6
≤1.25
0-30
Continuous
±0.6
≤0.5
UG-387/U WR10
Manually rotatable, continuously adjustable
MATT 1260L
60~90
≤0.5
≤1.25
0-60
Continuous
±1
≤0.5
UG-387/U WR12
Manually rotatable, continuously adjustable
MATT 1060L
75~110
≤0.6
≤1.25
0-60
Continuous
±1
≤0.5
UG-387/U WR10
Manually rotatable, continuously adjustable
MATT 0860L
90~140
≤0.8
≤1.25
0-60
Continuous
±1
≤0.2
UG-387/U WR08
Manually rotatable, continuously adjustable
MATT 0660L
110~170
≤1
≤1.25
0-60
Continuous
±1.5
≤0.2
UG-387/U WR06
Manually rotatable, continuously adjustable
MATT 0560L
145~220
≤1.2
≤1.25
0-60
Continuous
±1.5
≤0.2
UG-387/U WR05
Manually rotatable, continuously adjustable
Waveguide Tunable Attenuator
A waveguide variable attenuator is a passive, precision device that enables continuous, dynamic adjustment of signal power. By incorporating an internal tunable absorptive mechanism or a precision displacement structure, it achieves smooth, stepless attenuation control, allowing flexible adaptation of link‑level power to meet real‑world operating conditions. Designed with a standard waveguide architecture, the device supports stable transmission of the TE10 dominant mode and offers high tuning accuracy and minimal signal distortion. It can precisely perform functions such as system power calibration, impedance matching, loop noise reduction, and dynamic range optimization, making it a core component in RF test and calibration, system debugging, and precision power‑control applications.
• Operating frequency range: 40 GHz to 220 GHz
• Multi-waveguide port WR5/WR6/8/10/12/15/19
• Low insertion loss
• Wide dynamic range: 0–60 dB, adjustment resolution of 0.1 dB

