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RadioMaster ER4 ELRS 4-channel PWM receiver
What are the dimensions of the RadioMaster ER4 ELRS 4-channel PWM receiver? · Modern device · basis: Manufacturer specifications (RadioMaster)
Also called: radiomaster er4 dimensions, er4 size, er4 elrs receiver mm, er4 weight, small elrs pwm receiver, er4 medidas, er4 abmessungen, er4 antenna
Exact dimensions. True size, with no printing tolerance added.
- length
- 30 mm
- width
- 15 mm
- height
- 5 mm
Notes
- From RadioMaster's product page.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.
RadioMaster ER4 ELRS 4-channel PWM receiver size chart
| dimension | value |
|---|---|
| Dimensions | 30 × 15 × 5 mm |
| Weight | 3.0 g |
| Outputs | 4 CH PWM |
| Power | DC 4.5–8.4 V |
| Antenna | 15 cm |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| RadioMaster | ER4 2.4GHz ELRS PWM Receiver | web | Publisher's page; dimensions are facts |
Free files
★ Free files 1 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json
| radiomaster-er4-receiver-envelope | Envelope 30 × 15 × 5 mm (Receiver case L × W × H, antennas and pins excluded) | STEP · STL |
Let your AI pull this. Add
Set it up →https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.Plain text: sheet.txt · JSON: /api/geometry?object=radiomaster-er4-receiver
Questions
How big is the ER4?
30 × 15 × 5 mm, 3.0 g.

