If you didn't find your specific TTN device in the list, use this Custom TTN Device to configure your device connected through TTN.

Use this setup to create a new device in your account, generate a token, and link it to a data bucket to store its data. After you have created this device, you can always change its configuration, tokens, associated bucket, fields, advanced fields, and tags through the Device list (left menu).

If you need more information, read this documentation.