It is possible to extend cabling distances until less than about 400 m when using coaxial cables of
RG-59/U, BELDEN 9259 (for NTSC models), 5C-2V (for PAL models) or equivalent cables.
When using the cable compensation, it is possible to extend cabling distances in the following.
S: Less than about 400 m (1300 ft.)
M: From about 400 m (1300 ft.) to 700 m (2300 ft.)
L: From about 700 m (2300 ft.) to 1200 m (4000 ft.)
Further information is available at the item
“[Image/Audio] page - [Coaxial/RS-485] tab” in Operating Instructions for WJ-GXE500.