Same Sky (CUI) AMT21 Absolute Modular Encoder (RS-485)
Same Sky (formerly CUI Devices) · MPN AMT21 series (e.g., AMT212A-F1-54-2000-S) · Maglev ID ac-samesky-amt21
US Maker in United States, factory not confirmed unknown VERIFIED
28 mm capacitive absolute encoder, 12- or 14-bit, single- or multi-turn, RS-485; drop-in absolute upgrade for AMT10-class mounts.
Specifications
| Resolution | 12-bit or 14-bit |
|---|---|
| Interface | RS-485 |
| Type | Absolute, capacitive, modular; single- or multi-turn |
Who makes it
MakerSame Sky (formerly CUI Devices)
Based inUnited States
RoleBrand owner
Need a different shaft, connector, firmware or enclosure, or a price at 1,000 units? Maglev takes the catalog part to the factory and comes back with a custom version and one fixed price.
Landed cost in the US
CN
37.5%
TW
10%
VN
12.5%
IN
10%
JP
12.5%
KR
12.5%
DE
10%
MX
10%
US
0%
Total US duty on this part by where it is made (2026-10-29). Mexico shown before USMCA preference; qualifying goods enter duty free. Your factory choice, not the shipping port, sets the origin.
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Compliance
| HTS classification | 9031.80.80.85 typical, not a ruling |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
Equivalents from other makers
Sources
- https://www.sameskydevices.com/product/motion-and-control/rotary-encoders/absolute/modular/amt21-seriesresolution, interface, datasheet
Record confidence: VERIFIED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.