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The RAY-11 from Mini Circuits is a RF Mixer with RF Frequency 0 to 2500 MHz, IF Frequency 0 to 500 MHz, LO Frequency 0 to 100 MHz, Conversion Loss 6.23 to 9 dB, LO/RF Isolation 32 dB. More details for RAY-11 can be seen below.
Triple Balanced Surface Mount Mixer from 1 to 3500 MHz
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