... ,1219m comunication distance on 24AWG cable,DC12V 1A PTZ 3D Control Keyboard HK-K03Function and Character:Control high speed ... each to understand, plentiful information, etc.Joystick: Control high speed dome camera and PTZ by joystick, good handle, convenient to control and ... bpsProtocolVTSPELCO_DPELCO_PKALATELSAMSUNG ProtocolDigit formatN,8,1voltageAC/DC 9V12Vpower 5W PTZ 3D Control Keyboard HK-K03