21.47727 MHZ HC - 49 s passive crystals into 21.4772 MHZ to 21.477 MHZ 20 parts per million (PPM)
$1.96
Today it costs $1.96 on AliExpress. Since Oct 22, 2026, when we started tracking it, the price hasn't changed. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for less than a day; confirming a drop takes at least 3 days.
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Price history
$1.96
We started tracking this price on Oct 22. The chart takes shape over the days: we only draw prices we observed.
| Store | Keyan Technology Co.,Ltd |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 1 |
| First seen | 10/22/2026 |
| Last reading | 10/22/2026, 3:41:57 PM UTC |