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The O350SM84 is a passive double-balanced mixer that does not require external DC bias. The local/RF frequency range covers 1.5 to 4.5 GHz, the IF frequency covers DC to 2.5 GHz, and the in-band conversion loss is less than 10 dB. The temperature performance is stable.Mixer uses 5x7mm surface-mount cermet shell, fully sealed, the bottom surface needs a large area of ground, suitable for reflow installation process, the lead needs to be hand-welded.