Cell Site Map

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

OperatorGenerationDistanceBearingSource
SFRLTE · 3 sectors811 m146° SEVerified
Bouygues TelecomGSM · 3 sectors811 m146° SEVerified
Bouygues TelecomLTE · 3 sectors811 m146° SEVerified
Bouygues TelecomLTE · 3 sectors811 m146° SEVerified
Bouygues TelecomLTE · 3 sectors811 m146° SEVerified
Bouygues TelecomUMTS · 3 sectors811 m146° SEVerified
Bouygues TelecomNR · 3 sectors811 m146° SEVerified
SFRNR · 3 sectors811 m146° SEVerified
SFRGSM · 3 sectors811 m146° SEVerified
SFRLTE · 3 sectors811 m146° SEVerified

Map

Bouygues TelecomOrangeFree MobileSFRVerifiedEstimated

Carrier breakdown

OperatorSitesShare
Bouygues Telecom7431.0%
Orange6426.8%
Free Mobile5523.0%
SFR4619.2%

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 product
  • SureCall

    Signal boosters sized by square footage, DIY install.

    See product
  • Cel-Fi

    Carrier-specific boosters, higher gain for a single network.

    See product

Nearby places

Data source: ANFR — Licence Ouverte 2.0. See all sources.