What is the role of DAB Splitter, how to connect? DAB Splitter SMA is an antenna control line, when the radio will output a 12V control connection, start the automatic antenna motor, let the motor work, and output your output line. AM /FM DAB Antenna and DAB Splitter Signal Amplifier, but generally speaking, the brackets on the car are used in different positions and scenarios on the car, and can be divided into car brackets and external brackets. There are also other uses to install according to the car's bracket
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