# 3G - 300m2 (Orange/Bouygues/SFR/free) Mobile Phone Signal Booster

##### **Enhanced 3G Signal Coverage**

  

Transform your connectivity experience with our 3G - 300m2 Mobile Phone Signal Booster. Designed to effectively amplify the 3G signal from top providers in France, including Orange, Bouygues, SFR, and Free, it offers reliable coverage for indoor areas up to 300 square meters. Say goodbye to dropped calls and welcome seamless communication.  
![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal Feature](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Signal-Booster-Feature1-1.png?v=1780277092)

##### **Supports Multiple Users & Devices**

  

Our signal booster is perfect for busy households or small businesses, allowing up to 30 users to connect simultaneously. Whether it's for work calls, streaming, or chatting with friends, everyone can enjoy improved 3G reception without interruptions or slowdowns.  
![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal Feature](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Signal-Booster-Feature2.png?v=1780223075)

##### **Complete Installation Kit**

  

Get everything you need right out of the box. Each booster kit comes with an outdoor antenna, indoor antenna, EU power adapter, and a standard 10-meter outdoor cable. This all-in-one package ensures a hassle-free setup so you can enjoy enhanced signals in no time.  
![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal Feature](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Signal-Booster-Feature3.png?v=1780223075)

##### **User-Friendly Setup**

  

No technical expertise is required! Our mobile phone signal booster features a simple installation process. Just follow the included instructions, and enjoy boosted signals with minimal effort. Have peace of mind knowing that you can enhance your mobile connectivity yourself.  
![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal Feature](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Signal-Booster-Feature4.png?v=1780223075)

##### **Improved Call Quality & Data Speed**

  

Experience crystal-clear voice calls and fast data rates with our 3G booster. It harnesses and amplifies existing signals to ensure you enjoy reliable communication, even in areas with poor reception. Perfect for homes, cafes, restaurants, and any indoor environment needing a signal boost.  
![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal Feature](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Signal-Booster-Feature5.png?v=1780223075)

##### **Durable and Robust Build**

  

Crafted with high-quality materials, the 3G - 300m2 Mobile Phone Signal Booster is designed to last. Its durable construction ensures reliable performance in various conditions, making it an ideal long-term investment for better mobile connectivity, no matter where you are.  
![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal Feature](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Signal-Booster-Feature6.png?v=1780223075)

## **3 Steps to Full Bars**

## 1\. Place the Outdoor Antenna

Mount the antenna where you get the best signal.  
![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal Install](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Install-1.gif?v=1780223819)  
  

## 2\. Connect the Booster Inside

Plug in the booster and connect to the antenna.  
![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal Install](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Install-2.gif?v=1780223819)  
  

## 3\. Enjoy Full Bars Everywhere

Clear calls, fast data, and no more dead zones.  
![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal Install](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Install-3.gif?v=1780223819)  
  

## mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency

It boost **3G** signal on 2100MHz frequency, the frequency used in **France** used by mobile networks to deliver their mobile services: 3G, 3.5G (also known as HSDPA provides faster data rates than 3G). It work on 2100Mhz (Band 1) frequency can boost Orange, Bouygues, SFR, free etc ALL mobile carrier networks for improving **3G** signal. It suitable for medium size, boost indoor signal areas up to **300 m2**, perfect for home, cafes, restaurants, pubs, clubs and more.

* * *

**Wow 3G Calls**  
Eliminates Dropped Calls

**Consistent Connection**  
Reliable 3G Data

**Signal Wider Coverage**  
Reception Up to 300 sq.m.

* * *

### Upgrade External Cables

If our standard package 10 meter external cable length is not enough to cover your area you have an upgrade option.  
![mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency cables](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageCable.webp?v=1600639912)

* * *

### Upgrade External Aerial

Higher Gain Yagi Antenna - For better performance it's a must if indoor your phone with 1/2 signal bars. Or get this upgrade if outdoor best signal strength in the following range:  
2G (GSM) -76 to -90 dBm  
3G (UMTS) -80 to -94 dBm  
4G (LTE) -97 to -105 dBm  
How shown dBm reading on phone, can refer [Quick Start Guide](https://www.ukmobilebooster.com/pages/quick_start_guide)  
![mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency higher gain yagi antenna](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageHigherGainYagiAntenna.webp?v=1600640184)

* * *

### Upgrade Protector

Lightning Surge Protector - Designed to Protect your equipment from high amperage surges due to lightning strikes on aerials or masts in close proximity to the device. This unit is rated for 18KA of current surge and is very simple to install on any device.  
![mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency surge protector](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageSurgeProtector.webp?v=1600640184)

* * *

### Specification

Application & Bands

\[3G\] (Band 1)

Country

France

**Boost All On**

Orange (3G)  
Bouygues (3G)  
SFR (3G)  
free (3G)  
Cellhire (3G)  
La Poste Mobile (3G)  
Le French Mobile (3G)  
Lebara Mobile (3G)  
Lycamobile (3G)  
NRJ (3G)  
Prixtel (3G)  
Reglo Mobile (3G)  
SOSH (3G)  
Transatel (3G)  
Virgin Mobile (3G)

Users Supporting

30 Simultaneously

Band

Single Band 1

Frequency

2100MHz

Gain(dB)

Uplink Gp≥60; Downlink Gp≥65

Up-link

1930~1990 MHz

Down-link

2110~2180 MHz

Export Power(Po)

≥17dBm

Power Adapter

Input: AC 100V~240V 50/60Hz;  
Output: DC 5V

Kit Includes

1 x Booster  
1 x Outdoor Antenna  
1 x Indoor Antenna  
1 x EU Power Adapter  
1 x 10 Meters Outdoor Cable

**Warming Tips:**  
Band Confirmation: This booster can boost signals on Band 1, please check the band of your devices firstly.For iPhone: Dial \*3001#12345#\* → Press call button → Click 'Serving Cell Info' → Check 'Freq Band Indicator'.For Android: Download 'LTE Discovery' APP → Click ‘SIGNALS’ → Check 'EARFCN'. More refer to [Quick Start Guide](https://www.ukmobilebooster.com/pages/quick_start_guide).External Signal Needed: The signal booster can only amplify signal but can't create signal. If there is no signal outside, it won't work, please make sure you get 1-2 bars signal outside.

### Custom your solution

#### **Expandable coverage by adding indoor antenna if the outside signal is strong.**

  

![UK Mobile Booster Expand Cell Coverage with 3 Indoor Antennas](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/Expand-Cell-Coverage-with-3-Indoor-Antenna.png?v=1700361963)

  

### **How It Works**

  

![how mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency work for home office](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageHIWhomeoffice-2.webp?v=1650634397)

#### 1

**Receives signal**  
The powerful antenna reaches out to access a voice and 3G, 4G, and LTE data signal, and delivers it to the booster  

#### 2

**Boosts signal**  
The booster receives the signal, amplifies it, and serves as a relay between your phone and the nearest cell tower.  

#### 3

**Broadcasts signal**  
Your devices get increased cell reception, and calls and data are fed through the booster back to the network.  
  

  

#### **Get stronger signal**

  

![how mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency work for home office](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPagenormalcoverage-2.webp?v=1650634397)

#### Normal Cell Coverage

Dropped calls and slow data are generally caused by three things: distance from a cell tower, building materials in your home or office, or obstruction from tall objects such as trees, topography, and buildings.

![how mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency work for home office](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageboostedcoverage-2.webp?v=1650634397)

#### Signal Coverage with our booster

Signal boosters increase cell signal by collecting signals with a powerful antenna, delivering those signals to the booster, amplifying the cell signals so your devices receive them, and delivering your device's boosted signals back to the cell tower.

#### **Installation**

1.  Connect the indoor antenna to the MS port.
2.  Connect the outdoor antenna to the BS Port.
3.  Install the outdoor antenna and keep a minimum vertical distance of 10 meters from the indoor antenna.
4.  Point the outdoor antenna to the direction where you know there is possibly a higher signal strength from the base station.
5.  Power on the booster and check the signal strength.
6.  Adjust the outdoor antenna until you get the best signal strength.

**IMPORTANT NOTE**:  
DO NOT POWER ON THE DEVICE UNTIL YOU HAVE COMPLETED THIS SETUP.

Read more about [User Manual Documentation.](https://drive.google.com/file/d/1Uch5legGJsKTzLO9PTGpgsKEnZGEq7TH/view)

![mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency signal coverage](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/Coverage.jpg?v=1698191834)

  

### **Application Scenarios**

  

![mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency home application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-home.png?v=1697980834)  
**Home**

![mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency office application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-office.png?v=1697980832)  
**Office**

![mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency garage application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-garage.png?v=1697980834)  
**Garage**

![mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency metal buildings application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-metal-buildings.png?v=1697980834)  
**Metal Buildings**

1.  Q: What is the 3G - 300m2 Mobile Phone Signal Booster?  
    A: The 3G - 300m2 Mobile Phone Signal Booster is a device designed to improve mobile phone signal strength in indoor areas up to 300 square meters. It's especially useful for homes, cafes, and offices where the signal may be weak. This booster is compatible with various networks in France such as Orange, Bouygues, SFR, and Free, ensuring better connectivity for everyone.
2.  Q: How does the signal booster work?  
    A: The booster works by capturing and amplifying weak mobile signals. First, it uses an external antenna to receive incoming signals from cell towers. Then, the device boosts this signal and rebroadcasts it through an indoor antenna, enhancing the quality of calls and internet connection for your devices.
3.  Q: Is it easy to install?  
    A: Yes, the installation is straightforward! You just need to place the external antenna outside where the signal is better, connect it to the booster, and then set up the indoor antenna inside. It's designed to be user-friendly, meaning you won’t need professional help in most cases.
4.  Q: Will it work if there's no signal outside?  
    A: Unfortunately, the booster cannot create a signal; it can only amplify what is already present. Therefore, if there is no signal outside, even a little, the booster will not work. It's best if you can get at least 1 or 2 bars of signal outdoors.
5.  Q: Can multiple devices use the booster at the same time?  
    A: Absolutely! This signal booster can support up to 30 devices simultaneously. This means you and your family can all make calls and use the internet without any disruption, improving overall connectivity.
6.  Q: What is the frequency it boosts?  
    A: This booster primarily enhances the 3G signal on a frequency of 2100MHz. It is optimized for mobile networks in France, ensuring effective performance for carriers like Orange, Bouygues, SFR, and Free.
7.  Q: Where can I use the booster?  
    A: You can use the booster in various locations such as your home, office, cafes, pubs, or anywhere you may experience weak mobile signals. Its range allows it to cover medium to large spaces effectively.
8.  Q: Do I need to upgrade my cables or antennas?  
    A: You may consider upgrading the cables or antennas if you experience poor signal strength after installation. For example, if your indoor signal is weak, a higher gain antenna can significantly improve performance.
9.  Q: Is there a warranty for the signal booster?  
    A: Yes, most signal boosters come with a warranty. It's always a good idea to check the terms provided by the seller to understand the warranty period and what it covers.
10.  Q: What should I do if I still have poor signal after installation?  
     A: If you still experience poor signal after installing, make sure the antennas are positioned correctly and that there is at least some reception outdoors. You may also want to contact customer support for troubleshooting or assistance.

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## Details

- **Price:** 183.82 GBP - 303.82 GBP
- **Vendor:** UKMobileBooster.com
- **Type:** France
- **Tags:** application 3G Data, coverage up to 300 sq metres, fr Bouygues, fr Cellhire, fr fr, fr free, fr La, fr Le, fr Lebara, fr Lycamobile, fr NRJ, fr Orange, fr Prixtel, fr Reglo, fr SFR, fr SOSH, fr Transatel, fr Virgin, has_stock_countdown, provider Bouygues, provider Cellhire, provider free, provider La Poste, provider Le French, provider Lebara, provider Lycamobile, provider NRJ, provider Orange, provider Prixtel, provider Reglo, provider SFR, provider SOSH, provider Transatel, provider Virgin

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| No / No / No | 183.82 GBP | In stock |
| No / No / Yes | 203.82 GBP | In stock |
| No / Yes / No | 233.82 GBP | In stock |
| No / Yes / Yes | 253.82 GBP | In stock |
| 20 M / No / No | 203.82 GBP | In stock |
| 20 M / No / Yes | 223.82 GBP | In stock |
| 20 M / Yes / No | 253.82 GBP | In stock |
| 20 M / Yes / Yes | 273.82 GBP | In stock |
| 30 M / No / No | 213.82 GBP | In stock |
| 30 M / No / Yes | 233.82 GBP | In stock |
| 30 M / Yes / No | 263.82 GBP | In stock |
| 30 M / Yes / Yes | 283.82 GBP | In stock |
| 40 M / No / No | 223.82 GBP | In stock |
| 40 M / No / Yes | 243.82 GBP | In stock |
| 40 M / Yes / No | 273.82 GBP | In stock |
| 40 M / Yes / Yes | 293.82 GBP | In stock |
| 50 M / No / No | 233.82 GBP | In stock |
| 50 M / No / Yes | 253.82 GBP | In stock |
| 50 M / Yes / No | 283.82 GBP | In stock |
| 50 M / Yes / Yes | 303.82 GBP | In stock |

## Images

- mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency
- Man sitting on a couch using a smartphone with a blurred outdoor background UK Mobile Phone Signal Booster Improve Signal
- mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency
- mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency
- mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency
- mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency
- mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency
- mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency
- mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency
- mobile phone signal booster 3G signal booster Orange Bouygues SFR signal amplifier indoor signal coverage France mobile networks mobile signal enhancement 2100MHz frequency

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> Source: [B4U](https://www.ukmobilebooster.com/products/fr-w300-mobile-booster)
> Updated: 2026-09-02