Electronics › Walkie-talkies & radios
Industrial Grade DI+DO RS485 Serial Port I/O Networking Module CDEBYTE MA01 NEW Series Standard Modbus RTU Protocol Isolation
Quick answer
Is $8.99 a good price for Industrial Grade DI+DO RS485 Serial Port I/O Networking Module…?
It is the usual price, not a deal: $8.99 is in line with the typical price of $8.99 that DipScout measured over the last 14 days. It is the lowest in 21 days, but it has held this price since Nov 4, 2026.
The drop of Nov 4 (to $9.02) hasn't been re-checked in the last 48 hours. Check the price on AliExpress before buying.
$8.99
Today it costs $8.99 on AliExpress. Since Oct 22, 2026, when we started tracking it, it ranged from $8.99 to $10.75. It's the lowest price in 21 days, but it has been at this value since Nov 4, 2026; by our price history that is already the normal price, not a sale.
No drop compared with what we observed over the last 14 days. The store advertises "was $10.70", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Last reading$8.99on Nov 9
Lowest$8.99Nov 4 to Nov 9
Highest$10.75Oct 28 to Nov 2
Tracked since Oct 22 · 3 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 4, 18:05 UTC | $8.99 | −0.3% |
| Nov 2, 10:07 UTC | $9.02 | −16% |
| Oct 28, 23:09 UTC | $10.75 | +0.3% |
| Oct 22, 15:43 UTC | $10.72 | start |
| Store | CDEBYTE Official Store |
|---|---|
| Positive feedback (AliExpress) | 100% |
| AliExpress category | Phones & Telecommunications › Communication Equipment |
| Sold | 42 |
| Recorded readings | 4 |
| First seen | |
| Last reading |