Product · United States
21.47727 MHZ HC - 49 s passive crystals into 21.4772 MHZ to 21.477 MHZ 20 parts per million (PPM)
Product no longer available. The stores we track no longer sell it; last price seen $1.95.
Price history: 2 daily prices tracked since 2026-10-19; lowest $1.95, highest $1.95.

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