ISDB-TWIFI ISDB-T Receiver Wi-Fi ISDB Tuner for Mobile Live TV WIFI ISDB-T Receiver Product Dimensions: 6.8 x 4.4 x 1.5 cm ; 5 g Boxed-product Weight: 181 g Batteries 1 Lithium ion batteries required. (included) Item model number: isdb-t1w üliõhuke 9 isdb-t full seg with B-cas two tuner two antenna mcx COFDM Wireless Video Transmitter Transmission