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The SIM-83 from Mini Circuits is a RF Mixer with RF Frequency 0 to 8000 MHz, IF Frequency 0 to 3000 MHz, LO Frequency 0 to 2300 MHz, Conversion Loss 6 to 8.9 dB, P1dB 1 dBm. More details for SIM-83 can be seen below.
Triple Balanced Surface Mount Mixer from 1 to 3500 MHz
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