... inputting (MP3 Player, CD, VCD, etc.); Built-in FM wireless transmitter, wide-band FM frequencies (76-108MHz), 321 channels available; SNR 68dB ... , 1G/2G/4G, optional· Support TF card: below 2GB (include)· FM frequency, 76-108MHz(0.1MH/stepping) , 321 frequency point, Suitable ... for global· Bit rate: 48-920kbps· SNR> 85dB(FM> 68dB)· THD: <0.05%(FM<0.1%)· Voltage ,DC 12V/24V· Temperature,0 ...