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Thank you for info, I wll try one of these. But my wonder still remains....why in the hell is not recognizing the wifi dongle, I tried two different models. In the spec it says he can....

Hello, I have a Hikvision DVR IDS-7140HQHI-M1/S and i want to put it on wifi network but it doesn't recognise the wifi dongle on USB. The dongle is from TP LINK, also I have updated the DVR firmware from Hikvision website... On the specs the DVR can be used on wifi on usb but..... Thank you!

Thank you both for suggestions, i'll try to have some space between wires or better baluns. Also will try to add ground loop.

The power source is a SMPS 12V 10A, picture attached. The power source is on the same table with the DVR and balun connectors. The power and DVR are grounded to the earth by 3 prong plug. Is it possible to eliminate the sound noise and lines on the video by adding a ground loop isolator to each...

Hello all, I'm new to this forum but I hope that I will find an answer to my problem. I have installed a surveillance system Hikvision, composed of DVR iDS-7104HQHI-M1/S and 4 cameras DS-2CE17DOT-LFS, power source of 12V 10A, through UTP5 cables and video baluns. All good, but I have a permanent...