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The HE391B from BOWEI Integrated Circuits is a RF Amplifier with Frequency 20 to 500 MHz, Gain 15 to 16 dB, Power Gain 15 to 16 dB, Gain Flatness ±0.5 dB, Noise Figure 3.8 dB. More details for HE391B can be seen below.
2.7 to 3.5 GHz 18 Watt GaN Power Amplifier
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