Cell towers in Modane (Savoie)

The widest declared gap between neighbouring supports is about 4 km, to the south of the centre. 1 support is declared underground, in a gallery or a tunnel. For questions about exposure, see the exposure guide.

Most of the town's 7 masts are pylons (4); 1 underground or tunnel site make up the rest of the mix.

Antennas are listed at Autoroute de la Maurienne, Arrondaz Sud, Entrée Tunnel Frejus Coté Français, Fort du Sapey and 475 rue André Lebon.

The highest support stands 49 m at Fort du Sapey (pylon). The median height of measured supports is 22 m.

Systems from 1997 are still on the register. Local 5G started with Free Mobile in December 2020; SFR followed in September 2021, Bouygues Telecom followed in September 2021. 2017 was the busiest year, with 13 new systems, most of them 4G.

4 supports carry only Orange.

On 3.5 GHz, the fastest 5G band: Bouygues Telecom on all 2 masts, Orange on 2 of its 4 masts, SFR on all 2 masts and Free Mobile on its only mast.

Saint-Martin-de-Belleville lies 24 km to the north-west and has 27 masts, more than here.

4 Bouygues Telecom 5G transmitters are listed as technically operational — installed, but not yet declared commercially in service.

Among the 18 Savoie towns with at least five masts, Modane ranks 14th by mast count.

Of the 70 systems declared here, 15 are installed but not yet in commercial service (ANFR, as of October 2026).