Données ARCOM - Mise à jour : juin 2026
| Radio | Frequence | Réception | Département | Agglomération |
| DECIBEL - Saint Guen | 99.3 | 1/5 | 22 - Côtes-d'armor | LOUDEAC |
| EUROPE 1 - Saint Guen ▶ | 103.6 | 5/5 | 22 - Côtes-d'armor | MUR DE BRETAGNE |
| EUROPE 1 - Saint Guen ▶ | 104.6 | 1/5 | 56 - Morbihan | PONTIVY |
| FRANCE CULTURE - Saint Guen ▶ | 96.0 | 1/5 | 56 - Morbihan | VANNES |
| FRANCE CULTURE - Saint Guen ▶ | 97.8 | 2/5 | 29 - Finistère | BREST TREDUDON |
| FRANCE INFO - Saint Guen ▶ | 105.5 | 1/5 | 56 - Morbihan | VANNES |
| FRANCE INTER - Saint Guen ▶ | 88.6 | 1/5 | 56 - Morbihan | VANNES |
| FRANCE INTER - Saint Guen ▶ | 91.0 | 1/5 | 56 - Morbihan | ROHAN |
| FRANCE INTER - Saint Guen ▶ | 95.4 | 1/5 | 29 - Finistère | BREST TREDUDON |
| FUN RADIO - Saint Guen ▶ | 94.1 | 1/5 | 56 - Morbihan | PONTIVY |
| ICI ARMORIQUE - Saint Guen | 101.3 | 1/5 | 56 - Morbihan | VANNES |
| ICI BREIZH IZEL - Saint Guen | 93.0 | 1/5 | 29 - Finistère | BREST TREDUDON |
| LA RADIO BRO GWENED - Saint Guen | 101.7 | 1/5 | 56 - Morbihan | PONTIVY |
| LA RADIO BRO GWENED - Saint Guen | 92.6 | 1/5 | 56 - Morbihan | PONTIVY |
| LA RADIO BRO GWENED - Saint Guen | 97.3 | 1/5 | 56 - Morbihan | LORIENT |
| LA RADIO CAROLINE - Saint Guen | 88.2 | 1/5 | 56 - Morbihan | PONTIVY |
| M RADIO - Saint Guen | 100.5 | 1/5 | 56 - Morbihan | PONTIVY |
| M RADIO - Saint Guen | 105.8 | 1/5 | 22 - Côtes-d'armor | COLLINEE |
| NRJ - Saint Guen ▶ | 96.9 | 1/5 | 56 - Morbihan | PONTIVY |
| RCF SUD BRETAGNE VANNES - Saint Guen | 87.8 | 1/5 | 56 - Morbihan | PONTIVY |
| RFM - Saint Guen ▶ | 100.9 | 3/5 | 56 - Morbihan | PONTIVY |
| RMN - Saint Guen | 100.0 | 1/5 | 56 - Morbihan | PONTIVY |
| RTL - Saint Guen ▶ | 104.3 | 1/5 | 56 - Morbihan | VANNES |
| RTL - Saint Guen ▶ | 93.7 | 1/5 | 56 - Morbihan | PONTIVY |
| RTL2 - Saint Guen ▶ | 102.4 | 1/5 | 56 - Morbihan | PONTIVY |
| RTL2 - Saint Guen ▶ | 87.6 | 1/5 | 56 - Morbihan | VANNES |
