3G & Calls - 250m2 (O2/Vodafone/Three) Mobile Signal Booster
Enhance the indoor signal quality for O2, Vodafone, and Three networks in the UK with a dual-band 3G mobile signal booster. Say goodbye to dropped calls and improve call and text reception across your mobile coverage area.
















✓ Compatible with multiple users and devices
✓ Complete kit: all parts included
✓ Simpler Install and Maintenance
Enhanced Signal Coverage
Experience uninterrupted connectivity with the 3G & Calls Mobile Signal Booster, designed to cover up to 250 square meters. Perfect for homes, cafes, and offices, it ensures that you stay connected no matter where you are.
Multi-Network Compatibility
This booster is compatible with major UK networks including O2, Vodafone, and Three. It effectively amplifies signals for various mobile operators, making it an essential tool for households with multiple users on different networks.
Easy Installation
Setting up the 3G & Calls Mobile Signal Booster is a breeze. The complete kit includes all necessary components, allowing for a straightforward installation process that can be completed in just a few minutes.
Reliable Performance
Say goodbye to dropped calls and slow data speeds. This booster enhances your 3G signal, providing a stable connection for voice calls and internet usage, ensuring you never miss an important call or message.
Supports Multiple Users
Designed to support up to 25 simultaneous users, this mobile signal booster is perfect for families or small businesses. Everyone can enjoy improved signal strength and faster data speeds without interruptions.
Cost-Effective Solution
At just £235, the 3G & Calls Mobile Signal Booster offers an affordable solution to poor mobile reception. Invest in this device to enhance your connectivity and enjoy seamless communication without the hassle of dropped signals.
3G Mobile Signal Booster UK Mobile Networks O2 Vodafone Three Booster Indoor Signal Improvement Dual Band Booster Eliminate Dropped Calls Boost Calls and Texts Mobile Signal Coverage
It boost All 3G & Calls signal on 900MHz, 2100MHz frequencies, the frequencies used in UK and Europe used by mobile networks to deliver their mobile services: 3G, 3.5G (also known as HSDPA provides faster data rates than 3G) and 2G. It can boost UK and Europe all network operators for improving 3G signal. It also can boost UK all networks on O2, Vodafone, giffgaff, TalkTalk, Lyca Mobile, Lebara, Tesco, TalkMobile and Sky for improving Calls & Texts signal. It is the best suitable for medium size, boost indoor signal areas up to 250 m2, perfect for home, cafes, restaurants, pubs, clubs and more.
This system is compatible with all 3G mobile phone networks, will provide coverage on both 900MHz, 2100MHz frequency simultaneously. It's Dual Band booster and is an ESSENTIAL if many people in the same household are on different mobile phone networks!
Eliminates Dropped Calls
Clear Voice
No Miss Important Calls
Reliable 3G Data
Send/Receive SMS
SMS Text Messages Quickly
Faster Uploads & Downloads
Signal Wider Coverage
Reception Up to 250 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.
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 to shown dBm reading on phone? Check Quick Start Guide

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.
Specification
Application & Bands | [3G Data and Voice Calls] (Band 8, 1) |
Country | United Kingdom |
Boost All On | EE (3G) O2 (2G & 3G) Vodafone (2G & 3G) Three (3G) Asda (3G) BT (3G) Freedom Pop (3G) Giffgaff (2G & 3G) iD Mobile (3G) Lebara (2G & 3G) Lycamobile (2G & 3G) Orange (3G) Plusnet Mobile (3G) Sky Mobile (2G & 3G) Smarty Mobile (3G) Talkmobile (2G & 3G) TalkTalk (2G & 3G) Tesco (2G & 3G) The People's Operator (3G) T-Mobile (3G) Virgin (3G) |
Users Supporting | 25 Simultaneously |
Band | Dual Band 8 & 1 |
Frequency | 900 & 2100MHz |
Gain(dB) | Uplink Gp≥50; Downlink Gp≥55 |
Up-link | 890~915 MHz; 1930~1990 MHz |
Down-link | 935~960 MHz; 2110~2180 MHz |
Export Power(Po) | -70~-40 dBm/FA(1.23MHz) |
Power Adapter | Input: AC 100V~240V 50/60Hz; Output: DC 5V |
What’s Included | 1 x Booster 1 x Outdoor Antenna 1 x Indoor Antenna 1 x UK Type Power Adapter 1 x 10 Meters Outdoor Cable 1 x 5 Meters Indoor Cable |
Expandable coverage by adding a second indoor antenna if the outside signal is strong.

2 Indoor Antennas

3 Indoor Antennas

4 Indoor Antennas

10 Indoor Antennas
Custom your solution:
2 Way Splitter | 3 Way Splitter | 4 Way Splitter | Indoor Cable | Indoor Antenna
How It Works

1
The powerful antenna reaches out to access a voice and 3G, 4G, and LTE data signal, and delivers it to the booster
2
The booster receives the signal, amplifies it, and serves as a relay between your phone and the nearest cell tower.
3
Your devices get increased cell reception, and calls and data are fed through the booster back to the network.
Get stronger signal

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.
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
- Connect the indoor antenna to the MS port.
- Connect the outdoor antenna to the BS Port.
- Install the outdoor antenna and keep a minimum vertical distance of 10 meters from the indoor antenna.
- Point the outdoor antenna to the direction where you know there is possibly a higher signal strength from the base station.
- Power on the booster and check the signal strength.
- 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.

Application Scenarios

Home

Office

Garage

Metal Buildings
- Q: What is a mobile signal booster?
A: A mobile signal booster is a device that helps improve the strength of your mobile phone signal. It works by capturing weak signals from outside, amplifying them, and then broadcasting the stronger signal inside your home or office. This means you can enjoy clearer calls and faster internet. - Q: How does the 3G & Calls - 250m2 booster work?
A: The 3G & Calls - 250m2 booster captures weak mobile signals from outside using an antenna. It then boosts these signals and sends them inside your space, covering up to 250 square meters. This helps ensure that you can make calls and use the internet without interruptions. - Q: Is this booster compatible with all networks?
A: Yes, this booster is compatible with major UK networks like O2, Vodafone, and Three. It enhances 3G signals, making it suitable for various mobile devices and users, ensuring everyone can stay connected. - Q: How many devices can connect to the booster?
A: The 3G & Calls - 250m2 booster can support up to 25 devices simultaneously. This means multiple people in your home or office can enjoy improved signal strength at the same time. - Q: Can I install the booster myself?
A: Yes, the installation process is straightforward. The kit comes with all necessary parts and a user manual. You just need to connect the outdoor antenna to the booster and place it where it can receive the best signal from the cell tower. - Q: What if I have no signal outside?
A: The booster requires at least a weak signal outside to work effectively. If there is no signal at all, the booster won't be able to amplify anything. It's important to check your outdoor signal strength before installation. - Q: Will the booster work in large buildings?
A: The 3G & Calls - 250m2 booster is designed for medium-sized areas. If you have a larger space, you might need additional boosters or antennas to ensure full coverage throughout the building. - Q: Is it safe to use a mobile signal booster?
A: Yes, mobile signal boosters are safe to use. They comply with regulations and do not emit harmful radiation. They simply amplify existing signals to improve your mobile experience. - Q: What is the warranty on the booster?
A: The 3G & Calls - 250m2 booster typically comes with a warranty that covers defects in materials and workmanship. It's best to check the specific warranty details provided with your purchase. - Q: How can I get support if I have questions?
A: If you have any questions or need assistance, you can contact customer support through the website. We are available to help with installation, troubleshooting, and any other inquiries you may have.
Quick delivery despite COVID-19 outbreak, get it in a couple of days.
Nick Baker (UK, Leeds)
I am really happy that I decided to order a booster on UKMobileBooster.com. Due to the pandemic of coronavirus, we have taken a decision to stay at home. But of course, in our case self-isolation could have presupposed full isolation from the whole world as the quality of our mobile signal at home used to leave much to desire.
In home O2 signal booster is a perfect solution for small cottages.
Mark Smith (UK, Wigston)
I would recommend this booster to anyone, because it’s a really good option for small cottages, the price is very adequate, and the whole system itself is safe and compact. It doesn’t waste a lot of energy while it’s working, and turns off automatically when not used, and I noticed that it actually saves the battery of my phone.
Three Mobile signal problems have finally stopped irritating me!
Greg Ryan (Ireland, Wicklow)
I am writing to express my deep gratitude to seller team. These guys have really helped me! I had dozens of questions and I was really afraid to make an order online (as it was my first online purchase), but very polite specialists gave me very useful recommendations and now I can say without any doubts that it is a wonderful company!
How I managed to solve my Vodafone mobile phone signal problems
Peter Barrett (UK, Somerset)
If you are fed up with mobile signal issues, try to use GBC100. We like it! I would definitely recommend this device (or other products of this seller) to anyone facing the same EE 4G signal problems in the UK. The device is really worth the price!

- Choosing a selection results in a full page refresh.