car ATSC -MH 

ATSC-MH USA Digital TV receiver
Reception frequency: 44-885MHz
Working speed:140-190KM/H
Video:1 video input/output(Composite video CVBS)  Audio:1 audio output(Double track stereo output)
Working voltage: DC12V
Support automatic search, manual search, fast search function
Support EPG
Reception sensitivity: 95dBm, -98.5dBm
input impedance: 50Ω
Power:DC12V-1A