| Main transponders | 12 |
| Backup transponders | 4 |
| Power | 14 W |
| Bandwidth | 36 MHz |
| Coverage | South Korea |
| EIRP max | 50.2 dBW |
| G/T max | 13.5 dB/K |
| Polarization |
Koreasat
1: H uplink; V downlink Koreasat 2: V uplink; H downlink |
| Frequencies |
Uplink:
14.00-14.5 GHz Downlink: 12.25-12.75 GHz |
| Beam coverage | 0.74° x 0.74° uplink; 0.86° x 0.86° downlink |