---
title: "GET /capabilities/phy/{eui64}"
method: GET
path: "/capabilities/phy/{eui64}"
---

# GET /capabilities/phy/{eui64}

`GET /capabilities/phy/{eui64}`

Return the PHY capabilites of the device indicated by the EUI64. When the EUI64 parameter is that of the serving device, the serving device's capabilities are returned. Otherwise, the capabilities of the neighbor indicated by the EUI64 are returned.

## Path parameters

- `eui64` string, required

## Response `200`

The PHY capabilities.

- PhyCapabilities — The PHY capabilities of a device (modeled after POM-IE)
  - `mdrCmdCapable` boolean — MUST be set to true if the device implements the MDR Command capability, otherwise false.
  - `phyOpModes` integer[] — The list of PHY Operating modes supported by the device. Each entry in the array MUST be a PhyModeID value defined in section 5.2 of [PHYTPS]

## 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)