Realtek Semiconductor Corp. No. 2, Innovation Road II, Hsinchu Science Park Hsinchu 300, Taiwan Date: December 28, 2018 SUBJECT: FCC Class II Permissive Change We, Realtek Semiconductor Corp. hereby declare that the intention of this Class II Permissive Change is to add a host: Notebook Computer (Model: Lenovo IdeaPad S540-14IWL********, 81ND********, Lenovo IdeaPad S540-14IWL Touch********, 81QX********, Lenovo IdeaPad S540-14API********, 81NH******** (*=0~9, A~Z, a~z, - or blank, for marketing use only, with no impact on RF compliance of the product)/ Brand: Lenovo) to the certified module which was originally granted on 08/29/2016 under FCC ID: TX2-RTL8822BE. The modules mentioned above have been approved and are electronically and mechanically identical to the original instructions and requirements. Therefore, we, Realtek Semiconductor Corp., take the responsibility to ensure each module complied with all requirements after integration in the host and when modules are transmitting simultaneously. Should you have any comments, please have my best attention. Thank you. Sincerely Yours, Dana Liaw / Project Manager Realtek Semiconductor Corp. Tel: 886-3-5780211 Fax: 886-3-5776598 E-mail: danaliaw@realtek.com