CCTV long cable distance problem

[hatemali94 0]

i have 4-ch DVR 3cams in main building

all cam work fine and tested

all cable tested and working fine

(distance less than 75m to dvr)

+1 in ware house(distance between 300-500m to dvr)

all 3 cam are working fine except warehouse cam picture is too poor

at 300m-500m and work fine when near dvr

i use RG-59 cable

 

what should i do ?

use better cable like (rg6-rg11) or use cctv amplifier

(model &price if possible)

[RVT 0]

RG-59 is rated up to 750 feet, which is 230 meters. Since you are going 300 to 500 meters, you are way over.

 

You could use RG6 / 11, but I would probably use UTP and *active* baluns.