Cell towers in Saint-Martin-des-Champs

Masts stand at 72 Allee Saint-Francois, boulevard St Martin, 9 Rue Edouard Branly, Bot Balan Bras, Bot Balan and Kerivin.

The declared supports are a 29 m pylon, at 72 Allee Saint-Francois, for Bouygues Telecom and SFR; a 7 m building, at boulevard St Martin, for Bouygues Telecom; a 36 m pylon, at 9 Rue Edouard Branly, for Orange; a 30 m pylon, at Bot Balan Bras, for Orange; a 31 m pylon, at Bot Balan, for Free Mobile; a 48 m pylon, at Kerivin, for Bouygues Telecom, Free Mobile and SFR.

Over the past 12 months ANFR recorded 8 new systems here. ANFR has approved one new site that is not live yet, plus additions on one existing mast. New: Free Mobile (4G and 5G, including 5G at 3.5 GHz) at 10 Rue Jules Ferry. 2 Bouygues Telecom 5G transmitters are listed as technically operational — installed, but not yet declared commercially in service.

ANFR lists a 48 m pylon at Kerivin as the tallest structure. The median height of measured supports is 31 m.

Systems from 2005 are still on the register. Free Mobile switched on the first 5G here in December 2020; Bouygues Telecom followed in September 2021, SFR followed in October 2021. 2017 was the busiest year, with 10 new systems, most of them 4G.

On 3.5 GHz, the fastest 5G band: Free Mobile on all 2 masts, Orange on all 2 masts, Bouygues Telecom on 1 of its 3 masts and SFR on 1 of its 2 masts. 5G is on 67% of masts here, against 85% across Finistère towns with five or more masts.

11 km to the east, neighbouring Plouigneau has 13 masts, more than here.

The widest declared gap between neighbouring supports is about 2.1 km, to the north of the centre.

5 pylons and 1 building carry the commune's antennas.

Figures above cover installations declared to ANFR as in service or technically operational, as of October 2026; approved projects are not counted.