# Calls - 250m2 (O2/Vodafone/giffgaff/Sky Mobile) Mobile Signal Booster # Boost4U G250 Mobile Signal Booster for Calls — 250 m² UK **The Boost4U G250 (£110.00) is a Band 8 (900 MHz) mobile signal booster for calls and text that covers up to 250 m² and simultaneously improves voice and SMS signal for O2, Vodafone, giffgaff, Sky Mobile, Lebara, Lycamobile and Tesco Mobile, delivering 70 dB gain with an 8 dBi outdoor Yagi antenna and 5 dBi indoor antenna, making it the best-value mid-range call booster for UK homes and small offices where reliable phone calls matter more than 4G data.** The G250 is designed for users who struggle with dropped calls, "No Service" messages and unsent SMS at home or in a small office, but do not need 4G data amplification. It targets the 900 MHz Band 8 frequency used by O2 and Vodafone for 2G/3G voice, which provides the widest coverage and best building penetration of any mobile band in the UK. At £110.00 with a 365-day money-back guarantee, free UK shipping and lifetime support, the G250 is an affordable, low-risk solution for call signal problems. ##### **Enhanced Call Clarity** Experience crystal-clear voice calls with our mobile signal booster. Say goodbye to dropped calls and enjoy uninterrupted conversations, ensuring you never miss an important call again. ![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) ##### **Rapid SMS Delivery** Send and receive SMS text messages swiftly and reliably. Our booster enhances your mobile signal, allowing for quick and efficient communication without delays. ![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) ##### **Wide Coverage Area** Boost your mobile signal across an impressive area of up to 250 square meters. Perfect for homes, cafes, and offices, ensuring everyone stays connected without dead zones. ![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 Installation** Our complete kit includes everything you need for a hassle-free setup. With simple instructions, you can have your booster up and running in no time, enhancing your signal effortlessly. ![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) ##### **Multi-User Support** Support up to 25 simultaneous users, making it ideal for families or small businesses. Everyone can enjoy improved signal strength and connectivity without interruptions. ![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) ##### **Versatile Compatibility** Compatible with major UK networks including O2, Vodafone, and giffgaff, our booster ensures you stay connected no matter your provider, enhancing your mobile experience. ![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 Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks It boost **Calls** signal on 900MHz frequency, the frequency used in UK used by mobile networks to deliver their mobile services: 2G (also known as GSM). It can boost all networks on O2, Vodafone, giffgaff, TalkTalk, Lyca Mobile, Lebara, Tesco, Talk and Sky Mobile for improving **Voice Calls & Text** signal. The booster is the best suitable for medium size, boost indoor signal coverage up to **250 m2**, perfect for home, cafes, restaurants, pubs, clubs and more. * * * **Clear Voice** No Miss Important Calls **Send/Receive SMS** SMS Text Messages Quickly **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. ![Mobile Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks cables](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Signal-Booster-Cable.jpg?v=1693125491) * * * ### 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](https://www.ukmobilebooster.com/pages/quick_start_guide) ![Mobile Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks 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 Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks surge protector](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageSurgeProtector.webp?v=1600640184) ### Specification (scroll to view all) Application & Bands Voice Calls & Text (Band 8) Country United Kingdom **Boost All On** O2 (2G) Vodafone (2G) giffgaff (2G) Lebara (2G) Lyca Mobile (2G) Sky Mobile (2G) TalkMobile (2G) TalkTalk (2G) Tesco (2G) Users Supporting 25 Simultaneously Band Single Band 8 Frequency 900MHz Gain(dB) Uplink Gp≥50; Downlink Gp≥55 Up-link 890~915 MHz Down-link 935~960 MHz Export Power(Po) ≥10dBm 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 **Warming Tips:** - Band Confirmation: This booster can boost signals on Band 8, 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 Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks 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 Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks 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 Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks 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 Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks signal coverage](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/Coverage.jpg?v=1698191834) ### **Application Scenarios** ![Mobile Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks home application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-home.png?v=1697980834) **Home** ![Mobile Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks office application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-office.png?v=1697980832) **Office** ![Mobile Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks garage application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-garage.png?v=1697980834) **Garage** ![Mobile Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks metal buildings application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-metal-buildings.png?v=1697980834) **Metal Buildings** ## Product Specifications Specification Details Model G250 / MBG250gb Frequency Band Band 8 (900 MHz) — GSM 900 / UMTS 900 Uplink Frequency 880–915 MHz Downlink Frequency 925–960 MHz Supported Networks O2, Vodafone, giffgaff, Sky Mobile, Lebara, Lycamobile, Tesco Mobile Signal Type 2G GSM (calls & SMS) + 3G UMTS (calls & data) Max Gain 70 dB Max Output Power 17 dBm EIRP Indoor Coverage Up to 250 m² (approx. 3–4 bedroom house) Noise Figure ≤ 3 dB Outdoor Antenna 8 dBi Yagi directional (included) Indoor Antenna 5 dBi omni-directional whip (included) Cable Length 10 m (upgradeable to 15 m / 20 m) Power Supply AC 100–240V, 50/60Hz, UK plug Power Consumption ≤ 10 W Dimensions (Booster Unit) 180 × 130 × 30 mm Weight Approx. 500 g Operating Temperature \-10°C to +55°C Certification UKCA / CE, Ofcom licence-exempt Price £110.00 GBP Shipping Free UK delivery (10–15 business days) Return Policy 365-day money-back guarantee Support Lifetime technical support ## What's in the Box Item Quantity Description G250 Booster Unit 1 Band 8 900 MHz signal amplifier, 70 dB gain Outdoor Yagi Antenna 1 8 dBi directional, weatherproof IP65 Indoor Whip Antenna 1 5 dBi omni-directional Coaxial Cable 1 10 m low-loss 5D-FB with N-type connectors Power Adapter 1 UK 3-pin plug, 12V DC Mounting Bracket 1 For outdoor antenna wall/pole installation User Manual 1 Step-by-step installation guide ## Pros & Cons Pros Cons Excellent value at £110.00 — cheapest 250 m² call booster Does NOT boost 4G LTE data — calls and SMS only 70 dB gain handles weak rural 900 MHz signals Only Band 8 (900 MHz) — not all networks (no EE/Three 2G) Works with O2, Vodafone and all their MVNOs simultaneously 250 m² coverage may not suit larger homes (5+ bedrooms) Band 8 900 MHz penetrates thick walls better than higher bands 10 m cable may be too short for 2+ storey houses DIY installation in 30–45 minutes, no engineer needed Outdoor antenna requires wall or pole mounting 365-day money-back guarantee — longest in the market No 5G support (no consumer booster currently does) Ofcom licence-exempt, legal for home and small office use Indoor whip antenna less directional than panel antenna ≤ 10 W power consumption — costs ~£12/year to run Requires at least 1 bar of outdoor signal to work Unlimited simultaneous users — all phones in range benefit May need antenna alignment adjustment for optimal performance Free UK shipping and lifetime technical support Standard delivery 10–15 business days (no express option) ## How the G250 Works The G250 uses a three-step process to improve mobile call signal: 1. **Outdoor antenna captures signal:** The 8 dBi Yagi antenna mounted on an exterior wall or roof picks up the weak 900 MHz Band 8 signal from the nearest O2 or Vodafone mast. 2. **Booster amplifies signal:** The G250 unit amplifies the signal by 70 dB, filtering out noise and interference using automatic gain control. 3. **Indoor antenna rebroadcasts:** The 5 dBi omni antenna distributes the amplified signal throughout up to 250 m² of indoor space, giving every phone in range strong 2G/3G signal for calls and SMS. ## Compatible Networks Network Type Band 8 (900 MHz) Support O2 Major network Yes — primary 2G/3G band Vodafone Major network Yes — primary 2G/3G band giffgaff MVNO (O2) Yes — uses O2 network Sky Mobile MVNO (O2) Yes — uses O2 network Lebara MVNO (Vodafone) Yes — uses Vodafone network Lycamobile MVNO (Vodafone) Yes — uses Vodafone network Tesco Mobile MVNO (O2) Yes — uses O2 network EE Major network No — EE uses Band 3 (1800 MHz) for 2G Three Major network No — Three does not operate 2G ## Installation Guide ### Step 1: Find the Strongest Outdoor Signal Walk around your property with a phone in 2G/3G-only mode and note where signal is strongest. This is where the outdoor antenna goes. Use the CellMapper app to locate the nearest O2/Vodafone mast. ### Step 2: Mount the Outdoor Antenna Mount the 8 dBi Yagi antenna on an exterior wall, pole or chimney using the included bracket. Point it toward the nearest mast. Ensure at least 5 m vertical separation from the indoor antenna to prevent oscillation. ### Step 3: Run the Cable Run the 10 m coaxial cable from the outdoor antenna through a window, vent or drilled hole to the booster unit location indoors. Avoid running cable near electrical interference sources. ### Step 4: Connect and Power On Connect the outdoor cable to the booster's "BS" port, screw the indoor whip antenna into the "MS" port, and plug in the power adapter. Wait 30 seconds for calibration. All green LEDs indicate optimal operation. ### Step 5: Test and Adjust Test call quality and signal bars throughout your home. If some rooms still have weak signal, reposition the indoor antenna or upgrade to a longer cable (15 m / 20 m available at checkout). ## Frequently Asked Questions ### Will the G250 improve my 4G internet speed? No. The G250 is a Band 8 (900 MHz) booster that amplifies 2G GSM and 3G UMTS signals for calls and SMS only. It does not boost 4G LTE data. If you need 4G data improvement, consider the Boost4U C200 or C250 4G LTE boosters. ### Which networks does the G250 work with? The G250 works with O2, Vodafone and all their MVNOs including giffgaff, Sky Mobile, Lebara, Lycamobile and Tesco Mobile. It does not work with EE or Three, which use different frequency bands for 2G/3G. ### How big an area does the G250 cover? The G250 covers up to 250 m² indoors, roughly equivalent to a 3–4 bedroom house or small office. Actual coverage depends on outdoor signal strength, wall thickness and building layout. In weak-signal rural areas, coverage may be reduced to 150–200 m². ### Is the G250 legal to use in the UK? Yes. The G250 is an Ofcom licence-exempt mobile repeater that meets all UK technical requirements including output power limits (≤17 dBm EIRP), automatic gain control and UKCA/CE certification. It is legal for home and small office use without a licence. ### Do I need an engineer to install the G250? No. The G250 is a DIY plug-and-play system that installs in 30–45 minutes using basic tools (drill, screwdriver, spanner). A step-by-step manual is included, and lifetime technical support is available from Boost4U. ### What if I have no outdoor signal at all? The G250 requires at least 1 bar of outdoor 900 MHz signal to amplify. If you have absolutely no signal (0 bars) outside your property, a booster will not help — you would need to contact your network operator about a mast or femtocell. ### Can I use the G250 in a listed building? Yes. The indoor unit requires no structural changes. The outdoor antenna can be mounted discreetly at the rear of the property. For listed buildings, consult your local conservation officer — a discreet rear-mounted antenna is usually acceptable without consent. ### How much does it cost to run the G250? The G250 consumes ≤10 W of power. At the UK average electricity rate of £0.27/kWh, running 24/7 costs approximately £12 per year — less than £1 per month. ### What is the return policy? Boost4U offers a 365-day money-back guarantee. If the G250 does not improve your call signal, return it within 365 days for a full refund (minus shipping costs). This is the longest return policy in the UK booster market. ### Can I upgrade the cable or antenna? Yes. At checkout you can upgrade the external cable to 15 m or 20 m, upgrade the external aerial to a higher-gain model, or add a surge protector for installations in lightning-prone areas. ## Related Articles - [Best Mobile Signal Booster for Calls UK 2025 — Comparison & Reviews](https://www.ukmobilebooster.com/blogs/news/best-mobile-signal-booster-for-calls-uk-2025-complete-comparison-reviews) - [Boost4U G250 Review UK — 250m² Call Booster Tested](https://www.ukmobilebooster.com/blogs/news/boost4u-g250-review-uk-250-m-call-booster-tested-for-30-days) - [Mobile Signal Booster for Calls in Large Homes UK — Complete Guide](https://www.ukmobilebooster.com/blogs/news/mobile-signal-booster-for-calls-in-large-homes-uk-complete-guide-2025) - [Band 8 900MHz Signal Booster Guide UK — Voice & Text Explained](https://www.ukmobilebooster.com/blogs/news/band-8-900-mhz-signal-booster-guide-uk-voice-text-explained-2025) Tags: Mobile Signal Booster for Calls 250m² UK 2G 3G Signal Booster 250m² UK, Band 8 900MHz Signal Booster UK, O2 Vodafone Call Signal Booster UK, Voice Call Signal Booster 250m² buy mobile signal booster for calls UK, best 250m2 mobile signal booster UK, G250 mobile signal booster price, cheap call signal booster UK under £150, O2 signal booster for home 250m2, Vodafone call booster for office UK, giffgaff signal booster UK buy, Sky Mobile signal booster for home, mobile phone signal repeater 250m2 UK, 900MHz signal booster UK price, home mobile signal booster for calls UK, small office call signal booster UK, Boost4U G250 buy UK, Boost4U G250 buy UK, Lebara Lycamobile signal booster UK how to improve mobile signal for calls at home UK, what is Band 8 900MHz signal booster, do mobile signal boosters work for calls, how to install mobile signal booster UK, why is my O2 signal so bad at home, mobile signal booster legal UK Ofcom, 2G 3G vs 4G signal booster difference, best mobile signal for rural areas UK, how does a mobile signal repeater work, which networks use Band 8 900MHz UK, mobile signal booster for thick walls UK, will a signal booster improve my calls, mobile signal booster without internet UK, how much area does 250m2 booster cover, mobile signal booster for basement UK G250 vs G150 vs G100 signal booster, call booster vs 4G booster which is better, Boost4U G250 vs C200 comparison, best mobile signal booster UK 2025 comparison, 250m2 vs 500m2 signal booster, O2 booster vs Vodafone booster UK, mobile signal booster vs WiFi calling, G250 vs mobile network femtocell, cheap vs expensive mobile signal booster UK, Band 8 vs Band 20 signal booster UK, Boost4U vs other signal booster brands UK, 100m2 vs 150m2 vs 250m2 booster, G250 review vs G150 review UK, mobile signal booster for home vs office, all network booster vs single network booster G250, mobile signal booster for calls, Band 8 900MHz, 250m2, O2 Vodafone giffgaff Sky Mobile, voice signal booster UK, call signal repeater ## Details - **Price:** 110.0 GBP - 230.0 GBP - **Vendor:** UKMobileBooster.com - **Type:** United Kingdom - **Tags:** application Voice Calls, coverage up to 250 sq metres, frequency 900MHz, gb gb, gb giffgaff, gb lebara, gb lycamobile, gb o2, gb sky, gb talk, gb talktalk, gb tesco, gb vodafone, has_stock_countdown, provider giffgaff, provider Lebara, provider lycamobile, provider O2, provider Sky Mobile, provider Talk Mobile, provider talktalk, provider Tesco, provider Vodafone, sale, search list ## Variants | Variant | Price | Available | |---------|-------|-----------| | No / No / No | 110.00 GBP | In stock | | No / No / Yes | 125.00 GBP | In stock | | No / Yes / No | 160.00 GBP | In stock | | No / Yes / Yes | 180.00 GBP | In stock | | 20 M / No / No | 130.00 GBP | In stock | | 20 M / No / Yes | 150.00 GBP | In stock | | 20 M / Yes / No | 180.00 GBP | In stock | | 20 M / Yes / Yes | 200.00 GBP | In stock | | 30 M / No / No | 140.00 GBP | In stock | | 30 M / No / Yes | 160.00 GBP | In stock | | 30 M / Yes / No | 190.00 GBP | In stock | | 30 M / Yes / Yes | 210.00 GBP | In stock | | 40 M / No / No | 150.00 GBP | In stock | | 40 M / No / Yes | 170.00 GBP | In stock | | 40 M / Yes / No | 200.00 GBP | In stock | | 40 M / Yes / Yes | 220.00 GBP | In stock | | 50 M / No / No | 160.00 GBP | In stock | | 50 M / No / Yes | 180.00 GBP | In stock | | 50 M / Yes / No | 210.00 GBP | In stock | | 50 M / Yes / Yes | 230.00 GBP | In stock | ## Images - G250 Mobile Signal Booster for Calls 250m² UK | Band 8 900MHz - Man sitting on a couch using a smartphone with a blurred outdoor background UK Mobile Phone Signal Booster Improve Signal - Mobile Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks - Mobile Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks - Mobile Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks - Mobile Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks Mobile Signal Booster Whip Antenna Improved Signal Up to 5 Bars - Mobile Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks Mobile Signal Booster How Panel Antenna Works - Mobile Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks Mobile Signal Booster How Whip Antenna Works - Mobile Signal Booster O2 Booster Vodafone Signal Booster Giffgaff Signal Booster Indoor Coverage 250m2 Coverage Voice Calls UK Mobile Networks Mobile Signal Booster How it Works --- > Source: [B4U](https://www.ukmobilebooster.com/products/g250-mobile-booster) > Updated: 2026-09-02