... cable test,Video signal generation,RS485 data test, 2.5 inch TFT LCD PTZ RS485 UTP Portable cctv tester,cctv camera tester ... UTP cable) can be tested nad show in the screen clearlyVideo signal generation - It can output the Green, White ... tester JE-MKM310Signal modeNTSC/PAL Auto suitableDisplay2.5" TFT LCD Screen, 960x 240 resolutionVideo Input 1 X BNCVideo Output1 X BNCCommunicationRS232, RS422 ...