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DC211: Directional Coupler for R-9 Waveguide


DC211 is a directional coupler intended for sampling incident or reflected waves in highpower 900 MHz industrial applications using R-9 rectangular waveguide.

The coupler is fixed to the waveguide with eight M3 or similar-diameter screws after machining of appropriate holes in the broad waveguide wall.

Simple reversing the coupler causes it to sample the wave propagating in the opposite direction.

Frequency range 896 - 922 MHz
Coupling factor 60 dB ±1 dB standard
(lower coupling factors available upon request)
Directivity 25 dB min
Output connector N-F (SMA-F available upon request)
VSWR (N, SMA) 1.25 max
Waveguide of destination R-9 (247.65 mm x 123.825 mm)
Microwave Directional Coupler DC211
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Technical Information
Microwave Directional Coupler DC211 Datasheet Directional Coupler DC211 Datasheet