RF Input: UHF: 470MHz~862MHz; VHF:174MHz~230MHz; Input Impedance:75ohm; Signal Level: -80dBm~-10dBm; Connector Type: SMA type terminal x 2; Channel Band Width: 6MHz 7MHz 8MHz; Constellation: QPSK 16QAM 64QAM; Guard Interval: 1/32 1/16 1/8 1/4; FEC: 1/2 2/3 3/4 5/6 7/8; COFDM Carrier Mode: 2K And 8K Non Hierarchical/Hierarchical; Transport Stream: MPEG-4AVC/H.264 HP@L4; MPEG-2 MP@HL/ML; Video Aspect Ratio: 4:3 / 16:9; Video System: PAL / NTSC; Video Output: 1+/-0.3Vpp; Video Resolution YPbPr Resolution: 720 x 576@25fps/720 x 480@30fps/HD 1920 x 1080p/1920 x 1080i; Audio Decoder: MPEG-2/HE_AAC; Audio Channel: R/L/ST; Audio Output: 1Vpp 47Kohm Adjustable w/ E Volume; Main Features: Fully comply with DVB-T Standard Twin tuners with diversity structure TV box for high speed driving Subminiature appearance Easy to install; Specially designed for car using; Supports high speed up to 230km/hours; Support MPEG-1 MPEG-2 MPEG-4 H.264 decoder (up to 1920x1080P); Audio Decoder: MPEG-2/HE_AAC(DD/DD +optional); Support multi-media format : MPG MKV AVI MOV; Super fast hardware decoding of JPEG picture DVB subtitling ETSI 300473 compliant and OSD teletext; Supports multiple OSD languages menu EPG (Electronic Program Guide) with now and next and 7 days events Channel search with automatic/manual scan; USB2.0 host support upgrade PVR time shifting and media play with U-FLASH or HDD RCA audio and video input with all the way Three of RCA audio and video output; Standby consumption: less than 0.85W