Cell towers in Collegien (Seine-et-Marne)

Most of the town's 6 masts are pylons (4); 1 water tower make up the rest of the mix.

Place names on the register include Rue du Général de Gaulle, allée du Château D'Eau (à Côté de l'Échangeur ), ZAC de Lamirault and 2 Avenue du General de Gaulle.

Inventory: a 30 m pylon, for SFR; a 31 m building, at Rue du Général de Gaulle, for Free Mobile; a 30 m water tower, at allée du Château D'Eau (à Côté de l'Échangeur ), for Bouygues Telecom, Free Mobile, Orange and SFR; a 36 m pylon, at ZAC de Lamirault, for Bouygues Telecom and Orange; a 22 m pylon, at 2 Avenue du General de Gaulle, for Free Mobile; a 20 m pylon, at Rue du Général de Gaulle, for SFR.

2015 was the busiest year, with 10 new systems, most of them 4G. Local 5G started with Bouygues Telecom in November 2020; Orange followed in October 2021, SFR followed in April 2022. The oldest transmitter still listed here goes back to 1998.

19 systems were switched on in the past 12 months. Approved additions not yet in service are pending on 3 existing masts, for example Free Mobile (4G 2100 MHz) at Rue du Général de Gaulle, Free Mobile (5G 700 MHz) at 2 Avenue du General de Gaulle and Orange (4G 700 MHz) at ZAC de Lamirault. 4 Bouygues Telecom 5G transmitters are listed as technically operational — installed, but not yet declared commercially in service.

ANFR lists a 36 m pylon at ZAC de Lamirault as the tallest structure. The median height of measured supports is 30 m.

By mast count, Collegien is 34th of the 52 Seine-et-Marne towns that have five or more. With 6 masts for 3,354 residents, or 18 per 10,000, it has more masts per inhabitant than the median for those towns (6).

3.5 GHz 5G is declared by Free Mobile on all 3 masts, Bouygues Telecom on all 2 masts, Orange on all 2 masts and SFR on 2 of its 3 masts.

2.4 km to the north-west, neighbouring Torcy has 11 masts, more than here.

Of the 6 masts in the commune, only one mast carries all four networks.

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