... the frequency or Oem it by your design.it suit for using in the FPV. Specification: Working VoltageDC 12VWorking CUrrent250mAOutput Frequency1 ... Temperature-10 0C+50 0CInstalling:A.The line has plugs for connecting transmitter ,cmaera and power supply.One of the line's ... ponints connecting transmitter,another have 4 plugs(red,yellow,white ,black).Red ...