Cell towers in Sete (Hérault)

Place names on the register include rue Jean Baptiste de Lesseps, Le Lararet, 22 Rue Maurice Clavel, Île de Thau, 12 Rue Jean-Jacques Rousseau and Salins de Villeroy.

46 systems were switched on in the past 12 months. ANFR has approved 2 new sites that are not live yet, plus additions on 8 existing masts. New: Free Mobile (4G and 5G, including 5G at 3.5 GHz) at 3 Rue Jean Vilar and Free Mobile (4G and 5G, including 5G at 3.5 GHz) at Le Mole Saint Louis. 23 Bouygues Telecom 5G transmitters are listed as technically operational — installed, but not yet declared commercially in service.

2021 was the busiest year, with 67 new systems, most of them 5G. Free Mobile switched on the first 5G here in December 2020; Bouygues Telecom followed in August 2021, SFR followed in August 2021. The oldest transmitter still listed here goes back to 1998.

The highest support stands 42 m at 1222 Chem Mt St Clair (radio relay tower). The median height of measured supports is 22 m.

Of the 27 masts in the commune, 3 masts carry all four networks, and Orange is the only carrier on 9 masts.

3.5 GHz 5G is declared by Orange on 10 of its 14 masts, Bouygues Telecom on 9 of its 15 masts, SFR on 9 of its 15 masts and Free Mobile on all 8 masts.

Supports leave a gap of about 6.2 km to the south-west of the centre.

Frontignan lies 7.1 km to the north-east and has only 15 masts.

By mast count, Sete is 4th of the 31 Hérault towns that have five or more. With 27 masts for 45,337 residents, or 6 per 10,000, it has fewer masts per inhabitant than the median for those towns (11).

14 buildings and 11 pylons, 1 radio relay tower and 1 mast carry the commune's antennas.

Source: operator declarations to ANFR, as of October 2026. Projects that are only approved are left out of the totals.