DVB-T2 4×4 Tuner xe tốc độ cao TV kỹ thuật số USB

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

Xe hộp DVB-T2;

Bốn tuners;

CÁC ra; đầu vào AV

Bốn ăng ten tích cực 25db ;

Tốc độ cao;

Tính năng, đặc điểm:
Fully comply with the DVB-T EN300 744/DVB-T2 EN302 755 Tiêu chuẩn.
Dải tần số [474MHz-860MHz]video Out: CVBS、HDMI
Hỗ trợ chòm sao QPSK,16QAM,64QAM,128QAM,256QAM
chỉnh hiệu ứng Doppler cao
điện áp đầu vào：12~ 24V
Supports USB upgrades, HD media players, PVR
cung cấp điện cho ANT tích cực, +5V.
Supports PAL/NTSC video output
OSD Teletext(DVB ETS 300 706) và hỗ trợ chức năng Subtitle(mô hình Mỹ)
Fast scan for high-speed driving and cross-difference area
xử lý tín hiệu tiên tiến cho các điều kiện môi trường di động.

Các 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 với 25 DB đạt được, ensuring outstanding reception performance under the challenging conditions of a moving car.

ở châu Âu, 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. Ngược lại, một 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.

Các Car DVB-T24 USB Box not only supports high-speed scanning and advanced signal processing but also offers versatile video outputs including CVBS và HDMI, ensuring compatibility with in-car entertainment systems. It supports PAL/NTSC formats, OSD teletext, phụ đề, 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.

Nói ngắn gọn, choosing a 4 Tuner, 4 antenna DVB-T2 car digital TV box is the most reliable way to guarantee a stable, trong sáng, 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.