# Beitian BH-881 GPS + compass module

> What are the dimensions of the Beitian BH-881 GPS + compass module?

- Category: Drones › GPS modules
- Kind: Modern device
- Basis: Secondary source: Flying Tech (copy of the maker's figures; the maker publishes none directly)
- Page: https://xemstudio.com/objects/beitian-bh-881-gps/ · JSON: https://xemstudio.com/api/geometry?object=beitian-bh-881-gps · Plain text: https://xemstudio.com/objects/beitian-bh-881-gps/sheet.txt
- 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 |
|---|---|---|
| 28 | 28 | 10 |

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

## Notes

- Successor-style module in the same 28 mm footprint as the BN-880, as listed by Flying Tech.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.
- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.

## Sizes

| dimension | value |
|---|---|
| Dimensions | 28 × 28 × 10 mm |
| Weight | ~10 g |
| Compass | QMC5883P (I²C) |
| Pins | SDA, GND, TX, RX, VCC, SCL |

## Where the files are

- Flying Tech: [Beitian BH-881 GPS & Compass Module](https://www.flyingtech.co.uk/product/beitian-bh-881-gps-compass-module-for-inav-betaflight/) — web — Publisher's page; dimensions are facts

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

Index: https://xemstudio.com/files/hardware/beitian-bh-881-gps/index.json

- beitian-bh-881-gps-envelope: [STEP](https://xemstudio.com/files/hardware/beitian-bh-881-gps/beitian-bh-881-gps-envelope.step) · [STL](https://xemstudio.com/files/hardware/beitian-bh-881-gps/beitian-bh-881-gps-envelope.stl) — Envelope 28 × 28 × 10 mm (module (L×W×H))

## Questions

**Is the BH-881 the same size as the BN-880?**

Both are listed at 28 × 28 × 10 mm.

## Fits with

- [Beitian BN-880 GPS + compass module](https://xemstudio.com/objects/beitian-bn-880-gps/)
- [Matek M10Q-5883 GPS + compass module](https://xemstudio.com/objects/matek-m10q-5883-gps/)
- [HGLRC M100 Mini GPS](https://xemstudio.com/objects/hglrc-m100-mini-gps/)
- [iFlight BLITZ M10 GPS V2 Mini](https://xemstudio.com/objects/iflight-blitz-m10-gps-mini-v2/)