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The SB20A2 from Sigatek is a Bias Tee with Frequency 10 to 1000 MHz, Voltage 100 V, Current 1 A, Insertion Loss 0.5 dB, Isolation 25 dB. More details for SB20A2 can be seen below.
40 W Coaxial Bias Tee from 700 to 6000 MHz
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