Mini-Circuits ZDDC-50-521+ is a coaxial high-power (400W) wide band (20-520 MHz) dual-directional coupler
which features low insertion loss (0.1 dB), 50 dB coupling and excellent mainline return loss (28 dB). The Dual
directional design allows monitoring forward and reverse power and guarantees good directivity, flatness and
The ZDDC-50-521+ supports a wide variety of applications from military to commercial, including GSM
transmitters and more. The coupler is constructed in a rugged, compact metal case (3.0 x 2.154 x 0.975”) and
is splash and water resistant, meeting IP67 immersion standard.
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