You can download the module certification materials on the product development interface (https://platform.tuya.com/pmg/list) by clicking on the product name, which will bring up the product overview page. The materials include: 1. Module certification certificates
2. Schematics, block diagrams, antenna test reports (antenna specifications), module specifications, location diagrams, and principle descriptions required for certification submission
3. Module RF Test tool Introduction: A link to the module certification test guide (download the guide through the link for testing by the institution)