There are two power lines (positive and negative) on each Fakra connector in the Dual FAKRA Jack Cable for DVR Dash Cam GPS Wire cable. The power lines here are for these connectors to transmit signals while also providing power to the connected devices. The functions of these two power lines include the following:
First, the Dual FAKRA Jack Cable for DVR Dash Cam GPS Wire can charge antenna modules, which can be GPS, cellular or satellite broadcast antennas.
Second, there may be built-in amplifiers in the antenna, and the power cable can charge these amplifiers to ensure the normal operation of the antenna.
Third, in ADAS, sensors such as radar, cameras, LIDAR, etc. also need power support.
Fourth, integrating signal transmission and power supply in the same cable simplifies wiring and saves space.
Fifth, this connector can provide power for remote communication devices such as in-vehicle Wi-Fi modules and in-vehicle communication modules.
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