---
title: "PUT /config/phy"
method: PUT
path: "/config/phy"
---

# PUT /config/phy

`PUT /config/phy`

Configure the PHY layer of the FAN stack

## Request body

- PhyConfig — The PHY configuration of a FAN device.
  - `modulation` 0, required — 0 = 2FSK
  - `symbolRate` integer, required — Symbols per second (ex 50000 for 50K)
  - `modulationIndex` 0 | 1, required — 0 = 0.5, 1 = 1.0

## Response `200`

PHY successfully configured.

## Other responses

- `default` — Unknown error occurred

---

[API](https://skmtc.net/siliconlabs/apis/tbu-api.md) · [All operations](https://skmtc.net/siliconlabs/apis/tbu-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/siliconlabs/tbu-api/versions/8475de394ee2/schema)