... , can link 3G D1 HD video servers, particularly suitable for blind spots and signal blockage environment. With omni-directional ? ... channel RS485, support Pan/Tilt/ Zoom( Pelco-D,Pelco-P)Front panel : LED, Keyboard, record, network, Emergency buttonBoard : WCDMA,CDMA 2000 ... , patent ICSI decoding (revert to the D1 quality), support for real-time monitoring, control, playback, PTZ control and video. ...