For OEM integration only device cannot be sold to general public. Therefore we will not supply the Users manual, the installation manual is the official for OEM. FCC ID: E2XWNI20NC0302 We will ask OEM to include the following Notices required by FCC on the product and in the Users manual. Contains Transmitter Module FCC ID: E2XWNI20NC03012 or Contains FCC ID: E2XWNI20NC0302 Notice Please describe the following warning on the final product which contains this module. Contains Transmitter Module FCC ID: E2XWNI20NC0302 or Contains FCC ID: E2XWNI20NC0302 Please describe the following warning to the manual. When installing it in a mobile equipment Note) Portable equipment: Equipment for which the spaces between human body and antenna are used within 20cm. Mobile equipment: Equipment used at position in which the spaces between human body and antenna exceeded 20cm.