Info about KFX prototype radar I found from some forum.
Its TRM output would be 41 dBm(≈ 12.58 W) and its scan angle is ±70°.
Also, its aperture size is 800 mm.
http://www.jkiees.org/archive/view_article?pid=jkiees-32-2-127
http://www.jkiees.org/archive/view_article?pid=jkiees-32-2-154
By...
If I have to choose between KFX or DSME 1400, I'll choose KFX.
KFX is korean national pride and they'll actually use it unlike DSME 1400 which is export only. I think They will never design and build KFX half heartedly.