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 piksel, OLED, TV Cerdas, Wi-Fi, Perak, Putih LG OLED55B7M. Diagonal layar: 139,7 cm (55"), Resolusi layar: 3840 x 2160 piksel, Tipe HD: 4K Ultra HD, Teknologi tampilan: OLED, Bentuk layar: Datar. TV Cerdas. Sistem format sinyal digital: DVB-C, DVB-S2, DVB-T2. Wi-Fi, Ethernet LAN. Warna produk: Perak, Putih