Données ARCOM - Mise à jour : juin 2026
| Radio | Frequence | Réception | Département | Agglomération |
| EUROPE 1 - Trelly ▶ | 100.2 | 1/5 | 50 - Manche | COUTANCES |
| EUROPE 1 - Trelly ▶ | 103.9 | 1/5 | 50 - Manche | SAINT LO |
| EUROPE 1 - Trelly ▶ | 107.4 | 1/5 | 50 - Manche | GRANVILLE |
| EUROPE 2 - Trelly | 87.9 | 1/5 | 50 - Manche | VILLEDIEU LES POELES |
| FRANCE CULTURE - Trelly ▶ | 88.6 | 1/5 | 50 - Manche | GAVRAY SAINT DENIS LE GAST |
| FRANCE CULTURE - Trelly ▶ | 91.5 | 4/5 | 14 - Calvados | CAEN |
| FRANCE INTER - Trelly ▶ | 93.5 | 1/5 | 35 - Ille-et-vilaine | RENNES |
| FRANCE INTER - Trelly ▶ | 93.8 | 3/5 | 50 - Manche | COUTANCES |
| FRANCE INTER - Trelly ▶ | 99.6 | 4/5 | 14 - Calvados | CAEN |
| FRANCE MUSIQUE - Trelly ▶ | 89.9 | 1/5 | 35 - Ille-et-vilaine | RENNES |
| FRANCE MUSIQUE - Trelly ▶ | 95.6 | 4/5 | 14 - Calvados | CAEN |
| FRANCE MUSIQUE - Trelly ▶ | 97.9 | 1/5 | 50 - Manche | GAVRAY SAINT DENIS LE GAST |
| FUN RADIO - Trelly ▶ | 93.1 | 4/5 | 50 - Manche | COUTANCES |
| FUN RADIO - Trelly ▶ | 94.6 | 1/5 | 50 - Manche | SAINT LO |
| ICI COTENTIN - Trelly | 97.5 | 1/5 | 50 - Manche | COUTANCES |
| ICI NORMANDIE CALVADOS ORNE - Trelly | 102.6 | 4/5 | 14 - Calvados | CAEN |
| NOSTALGIE - Trelly ▶ | 96.4 | 4/5 | 50 - Manche | GRANVILLE |
| NRJ - Trelly ▶ | 101.9 | 4/5 | 50 - Manche | COUTANCES |
| NRJ - Trelly ▶ | 102.9 | 1/5 | 50 - Manche | SAINT LO |
| RTL - Trelly ▶ | 103.4 | 1/5 | 50 - Manche | SAINT LO |
| SEA FM - Trelly | 90.9 | 1/5 | 50 - Manche | COUTANCES |
| TENDANCE OUEST - Trelly | 104.4 | 1/5 | 50 - Manche | COUTANCES |
| TENDANCE OUEST - Trelly | 106.2 | 1/5 | 50 - Manche | GRANVILLE |
