The DLNA Certification and Logo Program is designed to ensure that DLNA Certified products have implemented the features necessary to comply with the DLNA Guidelines, and that they will in fact interoperate with other similar devices when connected to those devices in a consumer's home environment. The DLNA Certification and Logo Program enables companies to certify their products through a well-defined and rigorous process. Y LG OLED55B7M, 139,7 cm (55"), 3840 x 2160 Pixeles, OLED, Smart TV, Wi-Fi, Plata, Blanc LG OLED55B7M. Pantalla diagonal: 139,7 cm (55"), Resolució de pantalla: 3840 x 2160 Pixeles, Tipus HD: 4K Ultra HD, Tecnologia de visualització: OLED, Forma de la pantalla: Plana. Smart TV. Sistema de format de senyal digital: DVB-C, DVB-S2, DVB-T2. Wi-Fi, Ethernet / connexió LAN. Color de producte: Plata, Blanc