The 8181 Pro model is a free-to-air set top box. This set top box comes with the latest technology. This set top box supports DVB-S2x. Any future channel that comes with DVB-S2x, this set top box will support it. Tubio app will be supported in this set top box, you can play YouTube by connecting it to your mobile. FEATURES & FUNCTIONS 1-Support EXTERNAL USB WiFi Antenna 2-Support Network Apps – You can connect to the Internet by using an external Wifi adapter network cable to access the Internet to enjoy YouTube, DLNA, and other Network applications. 3-Two high-speed USB 2.0 4-Fully Compliant with the DVB-S / DVB-S2 / DVB-S2x digital TV Reception Standards 5-Support /SDTV MPEG2/MPEG4/H.264/H.265 HEVC decoding 6-Support 480i/480/576i/576p/720p/1080p 7-Convenient auto search Function 8-Intelligent graphical user interface design 9-Capacity for storing up to 2000 Transponders and 4000 channels 10-Support DVB-S/S2/S2X digital TV signal modulated in QPSK/8PSK/16APSK/32APSK= 11-Input frequency range 950MHz-2150MHz 12-Support DiSEqC 1.0 /DiSEqC 1.2 13-Reception for SCPC/MCPC.C+Ku Band reception 14-Fast channels Selection 15-Favorite Channels edit .parental lock 16- Variable aspect ratio (4:3,16:9) 4:3 pan &scan or letterbox mode 17-Support USB 2.0 and OTA software upgrade 18-Support USB 2.0 PVR, MP3/WMA, AVI /MP4/BMP/JPG photo playback 19-1GB RAM 20- Remote Universal/Normal – Optional as per stock.