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The HJK-21 from Mini Circuits is a RF Mixer with RF Frequency 1850 to 1910 MHz, IF Frequency 180 to 300 MHz, LO Frequency 2090 to 2150 MHz, Conversion Loss 7.5 dB, P1dB 10 dBm. More details for HJK-21 can be seen below.
Triple Balanced Surface Mount Mixer from 1 to 3500 MHz
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