Radio channels “AIR Kohima”, “AIR Itanagar”, “AIR Agartala”, “AIR Rohtak”, “AIR Shimla”, “AIR Varanasi” and “AIR Aizawl” added on Doordarshan Free Dish DTH Service on Satellite GSAT-15 (KU Band) at 93.5° East. AIR Kohima, AIR Itanagar, AIR Agartala, AIR Rohtak, AIR Shimla, AIR Varanasi and AIR Aizawl Radio channels are available on Frequency 11550, Vertical, 29500 and is in MPEG-2 format.
The below are the technical parameters of AIR Kohima, AIR Itanagar, AIR Agartala, AIR Rohtak, AIR Shimla, AIR Varanasi and AIR Aizawl Radio channels.
| Technical Parameters | New STB | Old STB |
| LNB Frequency | (09750-10600)Universal | 05150 |
| Frequency | 11550 | 3350 |
| Polarity | Vertical | Vertical |
| Symbol Rate | 29500 | 29500 |
| 22K | Auto | OFF |