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The SYM-11 from Mini Circuits is a RF Mixer with RF Frequency 0 to 2500 MHz, IF Frequency 10 to 600 MHz, LO Frequency 0 to 1 MHz, Conversion Loss 7 to 10.5 dB, P1dB 1 dBm. More details for SYM-11 can be seen below.
Triple Balanced Surface Mount Mixer from 1 to 3500 MHz
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