SA-1B28 Keyboard Controller Feature:
* Control keyboard 485 interface, photoelectric isolation technology, strong anti-interference, long distance transmission.
* Control Constant / High Speed Dome Camera or decoder address range is 1～127, and do remote control
* Operate the speed for high-speed balls PTz
* Set preset and invoke for high-speed ball
* Control the cameras focus, zooming and aperture by manual
* Control Constant / High Speed Dome Camera or decoder address range is 1～127, and do remote control
* Operate the speed for high-speed balls PTz
* Set preset and invoke for high-speed ball
* Control the cameras focus, zooming and aperture by manual