| Nr | Parameter2) | Description | Comments |
| 1 | Radiocommunication service | Aeronautical mobile | - |
| 2 | Application | Aeronautical communications | VHF digital link, VDL Mode 2 |
| 3 | Frequency band | 117.975 - 137.000 MHz | The Frequency 121.5 MHz shall be used only for emergency communication. |
| 4 | Channelling | 25 kHz | - |
| 5 | Modulation / Occupied bandwidth | D8PSK | 31.5 kbps (Differential 8 Phase Shift Keying) |
| 6 | Direction / Separation | - | - |
| 7 | Transmit power / Power density | Max. 250 W | - |
| 8 | Channel access and occupation rules | CSMA | (Carrier Sense Multiple Access) |
| 9 | Authorisation regime | Switzerland: Ground Based equipment: License required. Aircraft equipment: Notification required. Liechtenstein: Individual assignment required. | Aircraft radio equipment is listed in the 'Aircraft station license'. |
| 10 | Additional essential requirements | - | - |
| 11 | Frequency planning assumptions | EN 301 841-1, ICAO Annex 10, Volume V, ICAO EUR Doc 011. | - |
| 12 | Planned changes | - | - |
| 13 | Reference | EN 301 841-3 /-/-. | Effective use of spectrum / ECC Decisions / ECC Recommendations. |
| 14 | Notification number | G/TBT/N/CHE/102 2008/9503/CH | - |
| 15 | Remarks | EN 301 489-22, ICAO Annex 10, Volume III, Volume V, ICAO EUR Doc 011. | - |
Normative part: 1 to 11
Informative part: Nr 12 to 15
1) RIR for similar and/or other applications are available under: https://www.bakom.admin.ch/en/technical-interface-regulations
2) For explanations and legal status, please refer to basis document 784.101.21 / RIR0000
© OFCOM (Swiss Federal Office of Communications)