DVB Т2 4×4 Тунер Car High Speed ​​USB цифрова телевизия

DVB-T2 4×4 Тунер Автомобилен DVB-T24 високоскоростен цифров телевизионен тунер USB кутия

Коли кутия DVB-T2;

четири тунери;

AV вън; AV вход

Четири активна антена 25db ;

Висока скорост;

Характеристика:
Fully comply with the DVB-T EN300 744/DVB-T2 EN302 755 стандарт.
Честотен обхват [474MHz-860MHz]Video Out: CVBS、HDMI
Поддържа съзвездие от QPSK,16QAM,64QAM,128QAM,256QAM
корекция висока ефект на Доплер
входно напрежение：12~ 24V
Supports USB upgrades, HD media players, PVR
Захранване за активно ANT, +5V.
Supports PAL/NTSC video output
OSD Телетекст(DVB ETS 300 706) и Subtitle подкрепа функция(САЩ модел)
Fast scan for high-speed driving and cross-difference area
Разширено обработка на сигнали за условията на работа в мобилна среда.

Най- 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 с 25 DB печалба, ensuring outstanding reception performance under the challenging conditions of a moving car.

В Европа, 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. За разлика от това, а 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.

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

Накратко, избиране на a 4 тунер, 4 antenna DVB-T2 car digital TV box is the most reliable way to guarantee a stable, ясно, 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.