Cell towers in Boissy-sous-Saint-Yon
Boissy-sous-Saint-Yon has 239 known cell sites. The densest carrier is Bouygues Telecom with 74.
Nearest sites
| Operator | Generation | Distance | Bearing | Source |
|---|---|---|---|---|
| SFR | LTE · 3 sectors | 811 m | 146° SE | Verified |
| Bouygues Telecom | GSM · 3 sectors | 811 m | 146° SE | Verified |
| Bouygues Telecom | LTE · 3 sectors | 811 m | 146° SE | Verified |
| Bouygues Telecom | LTE · 3 sectors | 811 m | 146° SE | Verified |
| Bouygues Telecom | LTE · 3 sectors | 811 m | 146° SE | Verified |
| Bouygues Telecom | UMTS · 3 sectors | 811 m | 146° SE | Verified |
| Bouygues Telecom | NR · 3 sectors | 811 m | 146° SE | Verified |
| SFR | NR · 3 sectors | 811 m | 146° SE | Verified |
| SFR | GSM · 3 sectors | 811 m | 146° SE | Verified |
| SFR | LTE · 3 sectors | 811 m | 146° SE | Verified |
Map
Carrier breakdown
| Operator | Sites | Share |
|---|---|---|
| Bouygues Telecom | 74 | 31.0% |
| Orange | 64 | 26.8% |
| Free Mobile | 55 | 23.0% |
| SFR | 46 | 19.2% |
This page lists the known cell sites in Boissy-sous-Saint-Yon in Île-de-France, France. Positions come from ANFR, the regulator — these are surveyed, verified locations, not estimates.
Density here is about 5.0 sites per km², above the national average for this type of area (4.7/km²).
Altogether these sites report 696 sectors, averaging about 2.9 sectors per site.
98.7% 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.
18.8% of known sites report 5G, above the national figure of 16.2%.
All 239 known sites here come from a regulator-verified source (ANFR).
The most common frequency bands here are 900, 2100, 700 MHz, out of 7 distinct bands reported in total.
The nearest known site to the centre of Boissy-sous-Saint-Yon is 811 m away, run by SFR.
4 operators are known here. Ranked by site count: Bouygues Telecom (74, 31%), Orange (64, 26.8%), Free Mobile (55, 23%), SFR (46, 19.2%).
Bouygues Telecom leads with 31% of known sites, 4.2 percentage points ahead of second-placed Orange.
By network generation: 61.1% 4G LTE, 18.8% 5G, 13% 3G UMTS, 7.1% 2G GSM.
79.9% 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 Boissy-sous-Saint-Yon?
- 239 known cell sites are mapped in Boissy-sous-Saint-Yon, from ANFR's verified data.
- Which carrier has the most sites in Boissy-sous-Saint-Yon?
- Bouygues Telecom, with 74 sites (31% of the known total).
- Is there 5G in Boissy-sous-Saint-Yon?
- 18.8% of known sites in Boissy-sous-Saint-Yon 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.
weBoost
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
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Data source: ANFR — Licence Ouverte 2.0. See all sources.