Cell towers in Fontenay-les-Briis
Fontenay-les-Briis has 125 known cell sites. The densest carrier is SFR with 38.
Nearest sites
| Operator | Generation | Distance | Bearing | Source |
|---|---|---|---|---|
| Orange | NR · 2 sectors | 635 m | 8° N | Verified |
| Orange | LTE · 2 sectors | 635 m | 8° N | Verified |
| Orange | NR · 2 sectors | 635 m | 8° N | Verified |
| Orange | LTE · 2 sectors | 635 m | 8° N | Verified |
| Orange | LTE · 2 sectors | 635 m | 8° N | Verified |
| Orange | LTE · 2 sectors | 635 m | 8° N | Verified |
| SFR | GSM · 2 sectors | 1.2 km | 301° NW | Verified |
| SFR | LTE · 2 sectors | 1.2 km | 301° NW | Verified |
| SFR | UMTS · 2 sectors | 1.2 km | 301° NW | Verified |
| SFR | LTE · 2 sectors | 1.2 km | 301° NW | Verified |
Map
Carrier breakdown
| Operator | Sites | Share |
|---|---|---|
| SFR | 38 | 30.4% |
| Orange | 35 | 28.0% |
| Bouygues Telecom | 32 | 25.6% |
| Free Mobile | 20 | 16.0% |
This page lists the known cell sites in Fontenay-les-Briis in Île-de-France, France. Positions come from ANFR, the regulator — these are surveyed, verified locations, not estimates.
Density here is about 3.0 sites per km², below the national average for this type of area (4.7/km²).
Altogether these sites report 311 sectors, averaging about 2.5 sectors per site.
96.8% of these sites report more than one sector, pointing to multi-directional antennas rather than omnidirectional coverage.
The largest gap between neighbouring sites is about 0 m — worth knowing if you're hunting for signal nearby.
12% of known sites report 5G, below the national figure of 16.2%.
All 125 known sites here come from a regulator-verified source (ANFR).
The most common frequency bands here are 900, 1800, 800 MHz, out of 7 distinct bands reported in total.
The nearest known site to the centre of Fontenay-les-Briis is 635 m away, run by Orange.
4 operators are known here. Ranked by site count: SFR (38, 30.4%), Orange (35, 28%), Bouygues Telecom (32, 25.6%), Free Mobile (20, 16%).
SFR leads with 30.4% of known sites, 2.4 percentage points ahead of second-placed Orange.
By network generation: 60.8% 4G LTE, 16.8% 3G UMTS, 12% 5G, 10.4% 2G GSM.
72.8% of sites here run LTE (4G) or newer technology.
ANFR's data here was last refreshed in September 2026.
Frequently asked questions
- How many cell towers are in Fontenay-les-Briis?
- 125 known cell sites are mapped in Fontenay-les-Briis, from ANFR's verified data.
- Which carrier has the most sites in Fontenay-les-Briis?
- SFR, with 38 sites (30.4% of the known total).
- Is there 5G in Fontenay-les-Briis?
- 12% of known sites in Fontenay-les-Briis report 5G, based on the latest observations.
- Are these positions accurate?
- Largely, yes — these come from ANFR's own regulator survey, not a community estimate, though positions can still lag real-world changes until the next update. See /data-sources for the source and licence per country.
Nearest known site is close — a booster may help
A signal booster amplifies an existing signal; it can't create one from nothing. With a known site this close, one of these is worth considering.
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Home and vehicle cell signal boosters, carrier-agnostic.
See productSureCall
Signal boosters sized by square footage, DIY install.
See productCel-Fi
Carrier-specific boosters, higher gain for a single network.
See product
Nearby places
- Cell towers in Briis-sous-Forges (2.4 km)
- Cell towers in Vaugrigneuse (2.9 km)
- Cell towers in Forges-les-Bains (3.9 km)
- Cell towers in Bruyeres-le-Chatel (4.4 km)
- Cell towers in Saint-Maurice-Montcouronne (4.6 km)
- Cell towers in Breuillet (5.7 km)
- Cell towers in Ollainville (5.9 km)
- Cell towers in Gometz-la-Ville (6.1 km)
- Cell towers in Limours (6.3 km)
- Cell towers in Gometz-le-Chatel (6.6 km)
- Cell towers in Marcoussis (6.7 km)
- Cell towers in Egly (7 km)
- Cell towers in Les Ulis (7 km)
- Cell towers in Angervilliers (7.1 km)
- Cell towers in Gif-sur-Yvette (7.2 km)
- Cell towers in Saint-Cheron (7.6 km)
- Cell towers in Arpajon (7.7 km)
- Cell towers in Nozay (7.9 km)
- Cell towers in Linas (8.2 km)
- Cell towers in Leuville-sur-Orge (8.4 km)
- Cell towers in Boissy-sous-Saint-Yon (8.5 km)
- Cell towers in Les Molieres (8.5 km)
- Cell towers in Saint-Germain-les-Arpajon (8.6 km)
- Cell towers in Le Val-Saint-Germain (8.8 km)
Data source: ANFR — Licence Ouverte 2.0. See all sources.