... Test,UTP cable test,Video signal generation,RS485 data test, 2.5 inch TFT LCD PTZ RS485 UTP Portable cctv tester,cctv camera ... in up to 33 kinds of multiple protocol as Pelco, Samsung, Panasonic... etc, and multiple baud rate, communication port via ... .5" TFT LCD Screen, 960x 240 resolutionVideo Input 1 X BNCVideo Output1 X BNCCommunicationRS232, RS422 simplex and RS485ProtocolPelco-D,P, Samsung ...