... distance max.1200m. Technical targetcommon targetmatrix/high speed dome camera control output.....RS485optional baut rate................................12002400480096001920038400bpselectric targetinput voltage ... 090%RHno condensationcctv keyboard controller, high speed dome camera ,cctv camera, dome camera, matrix swither ,butllet camera, BELOW KEYBAORD FOR MATRIX SYSYTEM :