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The SB12D2 from Sigatek is a Bias Tee with Frequency 0.1 to 12.4 GHz, Max. Voltage 50 V, Max Current 0.5 A, Insertion Loss 1.5 dB, Isolation 30 dB. More details for SB12D2 can be seen below.
40 W Coaxial Bias Tee from 700 to 6000 MHz
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