DVB T2 4×4 调谐器汽车高速数字电视 USB

DVB-T2 4×4 Tuner Car DVB-T24 high-speed digital TV tuner USB box

车载DVB-T2盒;

四 调音器;

关闭输出; 关闭输入

Four active antenna 25数据库 ;

高速;

特征:
Fully comply with the DVB-T EN300 744/DVB-T2 EN302 755 标准.
频率范围 [474MHz-860MHz]Video Out: CVBS、HDMI
Supports constellation of QPSK,16QAM,64QAM,128QAM,256QAM
High Doppler effect correction
电压输入：12～24V
Supports USB upgrades, HD media players, 个人录像
Power supply for active ANT, +5V.
Supports PAL/NTSC video output
OSD图文电视(数字广播电视传输系统 300 706) and Subtitle function support(EU model)
Fast scan for high-speed driving and cross-difference area
适用于移动环境条件的高级信号处理.

该 DVB-T2 4×4 car digital TV box is a specially designed receiver for vehicles that need stable and high-quality television signals while traveling at high speeds. Built to fully comply with the European DVB-T and DVB-T2 standards (EN300 744 / EN302 755), this advanced unit integrates four tuners and four active antennas 和 25 分贝增益, ensuring outstanding reception performance under the challenging conditions of a moving car.

在欧洲, where DVB-T2 has been widely adopted as the official digital television broadcasting standard, automotive applications demand robust and flexible reception solutions. Traditional car TV boxes with only two tuners and antennas may provide acceptable reception in strong-signal urban areas, but they often fail on highways, rural roads, or cross-border travel zones where signal strength fluctuates. 相比之下, 一个 4×4 tuner system uses diversity reception technology to constantly analyze multiple signals from four antennas, selecting or combining the best signal in real time. This dramatically reduces pixelation, interruptions, and loss of image when driving at high speed, even when passing through areas affected by multipath interference or Doppler shifts.

该 Car DVB-T24 USB Box not only supports high-speed scanning and advanced signal processing but also offers versatile video outputs including CVBS 和 HDMI, ensuring compatibility with in-car entertainment systems. It supports PAL/NTSC formats, OSD teletext, subtitles, and even extra functions such as USB upgrade, HD media playback, and PVR recording. Power is conveniently supplied for active antennas through its +5V antenna output, making installation straightforward.

简而言之, 选择一个 4 调谐器, 4 antenna DVB-T2 car digital TV box is the most reliable way to guarantee a stable, 清除, and uninterrupted television experience in European vehicles. It ensures passengers enjoy high-definition broadcasts seamlessly, whether in city centers or while cruising across countries at highway speeds.