Below are the KEPs for the three satellites launched by North Korea on 12-12-2012 as recorded by SpaceTrack.

The frequency of the beacon is reported to be around 470 MHz.

1 39026U 12072A 12355.36915072 .00003366 00000-0 20928-3 0 433 2 39026 097.4042 044.0195 0060555 144.6902 215.8370 15.08772455 1267 1 39027U 12072B 12354.91049961 .00001125 00000-0 74179-4 0 337 2 39027 097.4045 043.5628 0066226 148.6332 211.8874 15.07679345 1198 1 39028U 12072C 12355.09424240 .00005975 00000-0 35364-3 0 299 2 39028 097.4468 043.8003 0053038 148.1720 212.2815 15.10594600 1229