Datavideo RMC-300A is a multi-functional Multi-camera Controller. It is able to control up to 24 PTZ and block cameras by Ethernet or up to 8 cameras by serial port RS- 422 transmission. The RMC-300A is versatile to control Datavideo PTZ cameras and Robotic Head to set up the parameters via RS-422 or DVIP. With the combination of friendly user interface on 5” panel and hardware buttons, RMC-300A enable users to manage heavy EFP workflow without haste.