# Spektrum AR631 6-channel AS3X/SAFE receiver

> What are the dimensions of the Spektrum AR631 6-channel AS3X/SAFE receiver?

- Category: RC planes › Receivers
- Kind: Modern device
- Basis: Manufacturer specifications (Spektrum (manual hosted by Lindinger), Spektrum (manual hosted by Astra))
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- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 39 | 24 | 14 |

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- From the Spektrum AR631 manual (SPMAR631). The AR631+ manual (SPM-1031) lists identical size, weight and antenna length.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.

## Sizes

| dimension | value |
|---|---|
| Dimensions | 39 × 24 × 14 mm |
| Weight | 8 g |
| Channels | 6 |
| Voltage | 3.5–9.6 V |
| Antenna length | 230 mm |
| Band | 2404–2476 MHz |

## Where the files are

- Spektrum (manual hosted by Lindinger): [AR631 manual EN](https://www.lindinger.at/media/37/53/fc/1637161466/9780804_EN_Manual.pdf) — web — Publisher's page; dimensions are facts
- Spektrum (manual hosted by Astra): [SPM-1031 AR631+ manual EN](https://astramodel.cz/manualy/S/SPM-1031_MANUAL_EN.pdf) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/spektrum-ar631-receiver/index.json

- spektrum-ar631-receiver-envelope: [STEP](https://xemstudio.com/files/hardware/spektrum-ar631-receiver/spektrum-ar631-receiver-envelope.step) · [STL](https://xemstudio.com/files/hardware/spektrum-ar631-receiver/spektrum-ar631-receiver-envelope.stl) — Envelope 39 × 24 × 14 mm (Receiver case L × W × H, antennas and pins excluded)

## Questions

**How big is the Spektrum AR631?**

39 × 24 × 14 mm, 8 g, with 230 mm antennas.

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