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The CC2420EM reference design contains schematics and layout files for the CC2420EM evaluation module used in the CC2420DK development kit.

The reference design demonstrates good techniques for CC2420 decoupling and RF layout. For optimum RF performance, these parts should be copied accurately. This is a 2-layer reference design with a discrete balun and SMA antenna connector designed for a single ended 50 ohm antenna.