# Calls - 250m2 (EE/O2/Vodafone/ASDA/BT) Mobile Signal Booster # Boost4U GD250 — Mobile Signal Booster for All Networks 250m² UK **The Boost4U GD250 (£235.00) is a Dual Band 8 & 3 (900 & 1800 MHz) mobile signal booster that amplifies both 2G GSM calls and 4G LTE data for EE, O2, Vodafone and Three networks (plus all MVNOs) across up to 250 m² of indoor coverage, supporting 25 simultaneous users with 55 dB downlink gain, -70~-40 dBm/FA output power, a complete plug-and-play kit including outdoor antenna, indoor antenna, 10 m cable and UK power adapter, and is Ofcom licence-exempt for legal home and small office use in the United Kingdom.** Designed for all four major UK networks (EE, O2, Vodafone, Three) and their MVNOs, the GD250 solves the most common problem faced by UK mobile users: poor indoor signal caused by building materials, distance from masts and rural locations. Unlike single-purpose call boosters, the GD250 boosts both voice calls and 4G data on the 900/1800 MHz Dual Band 8 & 3 frequency, delivering clearer calls, faster mobile internet and reliable SMS in homes and small offices up to 250 m². ##### **Enhanced Coverage** Experience seamless connectivity with the Calls - 250m2 Mobile Signal Booster, designed to amplify signals for EE, O2, Vodafone, ASDA, and BT networks. Covering up to 250 square meters, it ensures that every corner of your home or business remains connected. ![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) ##### **Dual Band Technology** This booster operates on dual bands (900MHz and 1800MHz), effectively enhancing both voice calls and 4G LTE data. Enjoy clearer conversations and faster internet speeds, making it perfect for homes, cafes, and offices. ![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) ##### **User-Friendly Installation** Setting up the Calls - 250m2 Mobile Signal Booster is a breeze. The complete kit includes all necessary components, allowing for a quick and hassle-free installation. No technical expertise is required! ![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) ##### **Supports Multiple Users** Designed for modern households, this booster can support up to 25 simultaneous users. Whether it's family members or colleagues, everyone can enjoy improved signal strength 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-Feature4.png?v=1780223075) ##### **Reliable Performance** Say goodbye to dropped calls and slow data. The Calls - 250m2 Mobile Signal Booster guarantees a stable connection, ensuring you stay connected when it matters most, whether for work or personal use. ![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 Applications** Ideal for various environments, this booster is perfect for homes, offices, cafes, and more. Its sleek design and effective performance make it a must-have for anyone struggling with poor mobile signal. ![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 EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal It boost **All Calls & 4G/LTE** signal on 900MHz, 1800MHz frequencies, the frequencies used in UK and Europe used by mobile networks to deliver their mobile services: 2G (also known as GSM) and 4G. It can boost UK and Europe all network operators for improving **Voice Calls & Text** signal. It also can boost UK all networks on Three, EE, BT, Asda, Virgin, iD Mobile, Freedom Pop, Orange, Plusnet, Smarty Mobile, T-Mobile and The People's Operator for improving **4G LTE** signal. If your phones support 4G Calling (also called Voice over LTE or VoLTE) and your area 4G Calling is available, with the booster you can make clearer voice calls using 4G network. 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 GSM mobile phone networks, will provide coverage on both 900MHz, 1800MHz frequency **simultaneously**. It's Dual Band booster and is an **ESSENTIAL** if many people in the same household are on different mobile phone networks! * * * **Clear Voice** No Miss Important Calls **Wow 2G/4G Calls** Eliminates Dropped Calls **Send/Receive SMS** SMS Text Messages Quickly **Consistent Connection** Reliable 4G/LTE Data **Signal Wider Coverage** Reception Up to 250 sq.m. **4G/LTE Internet** Faster Uploads & Downloads * * * ### 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 EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal 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 to shown dBm reading on phone? Check [Quick Start Guide](https://www.ukmobilebooster.com/pages/quick_start_guide) ![Mobile Signal Booster EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal 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 EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal surge protector](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageSurgeProtector.webp?v=1600640184) * * * ### Specification (scroll to view all) Application & Bands \[Voice Calls\] (Band 8, 3) Country United Kingdom **Boost All On** EE (2G & 4G) O2 (2G) Vodafone (2G) Three (4G) Asda (2G & 4G) BT (2G & 4G) Freedom Pop (4G) Giffgaff (2G) iD Mobile (4G) Lebara (2G) Lycamobile (2G) Orange (2G & 4G) Plusnet Mobile (4G) Sky Mobile (2G) Talkmobile (2G) TalkTalk (2G) Tesco (2G) The People's Operator (2G & 4G) T-Mobile (2G & 4G) Virgin (2G & 4G) Users Supporting 25 Simultaneously Band Dual Band 8 & 3 Frequency 900 & 1800MHz Gain(dB) Uplink Gp≥50; Downlink Gp≥55 Up-link 890~915 MHz; 1710~1785 MHz Down-link 935~960 MHz; 1805~1880 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 **Warming Tips:** - Band Confirmation: This booster can boost signals on Band 8 or 3, 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 EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal 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 EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal 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 EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal 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 EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal signal coverage](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/Coverage.jpg?v=1698191834) ### **Application Scenarios** ![Mobile Signal Booster EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal home application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-home.png?v=1697980834) **Home** ![Mobile Signal Booster EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal office application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-office.png?v=1697980832) **Office** ![Mobile Signal Booster EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal garage application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-garage.png?v=1697980834) **Garage** ![Mobile Signal Booster EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal metal buildings application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-metal-buildings.png?v=1697980834) **Metal Buildings** ## Full Technical Specifications Parameter Value Model GD250 / MBGD250gb Frequency Band Dual Band 8 & 3 (900 & 1800 MHz) FDD Uplink Frequency 890–915 MHz (Band 8); 1710–1785 MHz (Band 3) Downlink Frequency 935–960 MHz (Band 8); 1805–1880 MHz (Band 3) Supported Services 2G GSM (Calls & SMS) + 4G LTE (Data & VoLTE) Uplink Gain (Gp) ≥ 50 dB Downlink Gain (Gp) ≥ 55 dB Max Output Power (Po) \-70~-40 dBm/FA(1.23MHz) Indoor Coverage Up to 250 m² Simultaneous Users Up to 25 Supported Networks (2G + 4G) EE, BT Mobile, ASDA Mobile, Virgin Mobile, Orange, T-Mobile, The People's Operator Supported Networks (4G only) Three, iD Mobile, Smarty Mobile, Plusnet Mobile, Freedom Pop Outdoor Antenna 8 dBi Yagi Directional Indoor Antenna 5 dBi Panel / Whip Cable Included 10 m Low-Loss Coaxial Power Adapter AC 100–240V 50/60Hz → DC 5V Minimum Antenna Separation 10 m vertical Operating Temperature \-10°C to +55°C Certification UKCA / CE, Ofcom Licence-Exempt Price £235.00 GBP ## What's in the Box Item Quantity Description GD250 Booster Unit 1 Dual Band 8 & 3 900/1800MHz amplifier with LED indicators Outdoor Yagi Antenna 1 8 dBi directional, weatherproof Indoor Antenna 1 5 dBi panel / whip antenna Coaxial Cable 1 10 m low-loss, N-type connectors UK Power Adapter 1 3-pin UK plug, DC 5V output Mounting Brackets 2 Outdoor wall mount + indoor mount User Manual 1 Step-by-step installation guide ## How the GD250 Works 1. **Receives:** The outdoor 8 dBi Yagi antenna captures weak EE/O2/Vodafone/Three Dual Band 8 & 3 (900 & 1800 MHz) signal from the nearest mast. 2. **Amplifies:** The booster unit amplifies the signal by up to 55 dB (downlink) while filtering noise and interference. 3. **Broadcasts:** The indoor antenna rebroadcasts the boosted signal throughout up to 250 m², supporting 25 simultaneous users. 4. **Returns:** Uplink signals from your phone are amplified and sent back to the mast via the outdoor antenna. ## Pros & Cons ### Advantages - **Dual 2G + 4G:** Boosts both voice calls/SMS and 4G LTE data on Band 3 — unlike call-only boosters. - **EE-optimised:** Specifically designed for EE, O2, Vodafone and Three, the UK's largest network group. - **250 m² coverage:** Suitable for 3–5 bedroom houses, small offices, shops and pubs. - **25 simultaneous users:** Supports households and small businesses with multiple devices. - **Complete kit:** Everything included — antennas, cable, power adapter, brackets. No extra purchases needed. - **Affordable:** At £235.00, one of the cheapest dual 2G+4G boosters for EE in the UK. - **Ofcom legal:** Licence-exempt, UKCA/CE certified, automatic gain control prevents network interference. - **365-day returns:** Longest money-back guarantee in the UK market — risk-free trial. - **Free UK shipping:** No additional delivery costs. - **DIY installation:** 30–60 minutes with basic tools, no engineer required. ### Disadvantages - **Band 3 only (1800 MHz):** Does not boost Band 8 (900 MHz) or Band 20 (800 MHz) signals. Check your phone's band before buying. - **Not for O2/Vodafone:** Optimised for EE/O2/Vodafone/Three. O2 and Vodafone customers should choose the C-series (Band 20) or G-series (Band 8). - **250 m² limit:** Not suitable for properties larger than 250 m² — consider the C500 or C1000 for larger spaces. - **Requires 1–2 bars outdoor signal:** Cannot create signal from nothing. If you have 0 bars outside, no booster will work. - **10 m cable included:** May need a 20 m upgrade for two-storey houses with roof mounting (available at checkout). - **10 m antenna separation:** Requires adequate vertical distance between outdoor and indoor antennas to prevent oscillation. - **Standard delivery 10–15 days:** Not next-day delivery. Plan ahead if needed urgently. - **No 5G support:** No consumer booster currently supports 5G. The GD250 handles 2G and 4G only. - **Directional outdoor antenna:** Must be pointed toward the nearest EE mast for optimal performance. - **Indoor antenna is 5 dBi:** Lower gain than premium models — suitable for 250 m² but not larger. ## Supported Networks Detail Network 2G Calls/SMS 4G LTE Data Notes EE Yes Yes Primary network, full Band 3 support BT Mobile Yes Yes Uses EE infrastructure ASDA Mobile Yes Yes Uses EE infrastructure Virgin Mobile Yes Yes Band 3 2G+4G Three No Yes 4G only on Band 3 iD Mobile No Yes Uses Three infrastructure, 4G only Smarty Mobile No Yes Uses Three infrastructure, 4G only Plusnet Mobile No Yes Uses EE infrastructure, 4G only Freedom Pop No Yes 4G only Orange / T-Mobile Yes Yes Legacy EE brands ## Installation Guide 1. **Find the signal:** Use your phone (2G/4G mode) or the CellMapper app to find the strongest outdoor EE signal point and the nearest mast direction. 2. **Mount outdoor antenna:** Install the 8 dBi Yagi on an exterior wall, pole or chimney at 3–5 m height, pointed toward the nearest EE mast. 3. **Run cable:** Route the 10 m coaxial cable from the outdoor antenna to the booster location inside. Upgrade to 20 m at checkout if needed. 4. **Connect booster:** Connect outdoor cable to the BS port, indoor antenna to the MS port, plug in power. 5. **Maintain separation:** Ensure at least 10 m vertical distance between outdoor and indoor antennas to prevent oscillation. 6. **Test and adjust:** Power on, check LED indicators, test signal bars throughout the property. Adjust the outdoor antenna direction for best results. **Installation time:** 30–60 minutes. **Tools needed:** Drill, screwdriver, spanner, ladder. ## Frequently Asked Questions ### Will the GD250 work with my network? Yes. The GD250 boosts Dual Band 8 & 3 (900 & 1800 MHz), which all four UK networks use for 2G calls and 4G data. It supports EE, O2, Vodafone, Three and all their MVNOs. To confirm, dial \*3001#12345#\* on iPhone → Serving Cell Info → check Freq Band Indicator, or use LTE Discovery on Android. ### Does the GD250 improve 4G data speed? Yes. The GD250 amplifies 4G LTE signals on Dual Band 8 & 3 (900 & 1800 MHz), which can improve data speeds from 1–5 Mbps (no signal) to 10–30 Mbps (good signal), depending on your nearest mast's capacity and backhaul. ### Will it work with O2 or Vodafone? No. The GD250 is a Dual Band 8 & 3 (900 & 1800 MHz) booster optimised for EE, O2, Vodafone and Three. O2 and Vodafone primarily use Band 8 (900 MHz) for calls and Band 20 (800 MHz) for 4G. For O2/Vodafone, choose the Boost4U C250 (Band 20 4G) or G250 (Band 8 calls). ### What size property does the GD250 cover? Up to 250 m², which is typically a 3–5 bedroom house, a small office, a shop or a pub. Actual coverage depends on outdoor signal strength, building materials and antenna placement. For properties over 250 m², consider the C500 (500 m²) or C1000 (1000 m²). ### Is the GD250 legal in the UK? Yes. The GD250 is Ofcom licence-exempt with UKCA/CE certification. It operates within Ofcom's power limits and includes automatic gain control (AGC) to prevent interference to the mobile network. Legal for home and business use without a licence. ### How much does the GD250 cost? £235.00 GBP including the booster, outdoor antenna, indoor antenna, 10 m cable, UK power adapter, mounting brackets and user manual. Free UK shipping. Optional upgrades: 20 m cable, high-gain antenna, surge protector. ### What if there is no signal outside my house? The GD250 can only amplify existing signal — it cannot create signal from nothing. You need at least 1–2 bars of outdoor EE Band 3 signal. If you have 0 bars everywhere outside, contact EE to report a coverage issue — no consumer booster can help in that situation. ### How many phones can use the GD250 at once? Up to 25 simultaneous users. This is sufficient for most households and small businesses. The booster amplifies the signal for all devices in range, not a fixed number — all 25 can be on calls or data simultaneously. ### What is the return policy? The GD250 comes with a 365-day money-back guarantee. If you are not satisfied for any reason within 365 days of purchase, return the unit for a full refund (minus shipping costs). This is the longest return policy in the UK signal booster market. ### How long does delivery take? Standard UK delivery is 10–15 business days with free shipping. Express delivery may be available at checkout for an additional fee. The GD250 is shipped from the UK warehouse. ## Related Blog Articles - [Best Dual Band Mobile Signal Booster UK 2025 — Comparison & Reviews](https://www.ukmobilebooster.com/en-gb/blogs/news/gd250-best-dual-band-mobile-signal-booster-uk-2025-complete-comparison-reviews) - [Boost4U GD250 Review UK — Dual Band 2G+4G Booster Tested](https://www.ukmobilebooster.com/en-gb/blogs/news/boost4u-gd250-review-uk-dual-band-2g-4g-booster-tested-for-21-days) - [How to Boost Mobile Signal at Home — 250m² Complete Guide](https://www.ukmobilebooster.com/en-gb/blogs/news/gd250-how-to-boost-mobile-signal-at-home-250-m-complete-guide-uk) - [Dual Band 8 & 3 900/1800MHz Signal Booster for EE O2 Vodafone Three UK — Full Guide](https://www.ukmobilebooster.com/en-gb/blogs/news/gd250-band-3-1800-mhz-signal-booster-for-ee-bt-asda-uk-complete-technical-guide) Tags: Mobile Signal Booster for EE 250m² UK EE Mobile Signal Booster, Dual Band 8 & 3 900/1800MHz Booster UK, EE 4G Signal Booster 250m2 buy mobile signal booster UK, best EE signal booster for home 2025, EE 4G booster price UK, GD250 mobile signal booster buy, EE O2 Vodafone Three signal booster deal, cheap dual band signal booster 250m2, EE mobile repeater for sale UK, Dual Band 8 & 3 900/1800MHz booster purchase, EE signal booster free shipping UK, Boost4U GD250 discount, 2G calls and 4G dual band booster UK, mobile signal booster for EE under £200 how to boost mobile signal at home, why is EE signal so bad in my house, EE Dual Band 8 & 3 900/1800MHz explained, does EE signal booster work, how to improve EE 4G signal indoors, EE no signal in house solution, best way to boost mobile signal, EE 2G 4G dual band booster guide, mobile signal booster for EE how it works, EE signal booster installation guide, Ofcom legal EE booster UK, WiFi calling vs signal booster GD250 vs C250 signal booster, EE booster vs Vodafone booster UK, best EE signal booster vs O2, Band 3 vs Band 20 booster UK, GD250 vs weBoost EE, EE signal booster vs femtocell, Boost4U GD250 vs C200, mobile signal booster EE vs Three, 250m2 EE booster comparison, EE 4G booster vs WiFi calling, GD250 review vs alternatives, best mobile signal booster for EE UK 2025 GD250 mobile signal booster, dual band signal booster UK, Dual Band 8 & 3 900/1800MHz booster, EE O2 Vodafone Three 4G booster, 250m2 mobile repeater, Boost4U GD250, 2G calls and 4G dual band booster ## Details - **Price:** 235.0 GBP - 355.0 GBP - **Vendor:** UKMobileBooster.com - **Type:** United Kingdom - **Tags:** application Voice Calls, coverage up to 250 sq metres, frequency 900 1800MHz, gb 1p, gb asda, gb bt, gb ee, gb gb, gb giffgaff, gb lebara, gb lycamobile, gb o2, gb orange, gb t-mobile, gb talkmobile, gb talktalk, gb tesco, gb The People's Operator, gb virgin, gb vodafone, has_stock_countdown, provider 1p mobile, provider Asda, provider BT, provider EE, provider giffgaff, provider lebara, provider lycamobile, provider o2, provider Orange, provider T-Mobile, provider talk mobile, provider talktalk, provider tesco, provider The People's Operator, provider Virgin, provider vodafone, sale ## Variants | Variant | Price | Available | |---------|-------|-----------| | No / No / No | 235.00 GBP | In stock | | No / No / Yes | 255.00 GBP | In stock | | No / Yes / No | 285.00 GBP | In stock | | No / Yes / Yes | 305.00 GBP | In stock | | 20 M / No / No | 255.00 GBP | In stock | | 20 M / No / Yes | 275.00 GBP | In stock | | 20 M / Yes / No | 305.00 GBP | In stock | | 20 M / Yes / Yes | 325.00 GBP | In stock | | 30 M / No / No | 265.00 GBP | In stock | | 30 M / No / Yes | 285.00 GBP | In stock | | 30 M / Yes / No | 315.00 GBP | In stock | | 30 M / Yes / Yes | 335.00 GBP | In stock | | 40 M / No / No | 275.00 GBP | In stock | | 40 M / No / Yes | 295.00 GBP | In stock | | 40 M / Yes / No | 325.00 GBP | In stock | | 40 M / Yes / Yes | 345.00 GBP | In stock | | 50 M / No / No | 285.00 GBP | In stock | | 50 M / No / Yes | 305.00 GBP | In stock | | 50 M / Yes / No | 335.00 GBP | In stock | | 50 M / Yes / Yes | 355.00 GBP | In stock | ## Images - A mobile signal booster kit which includes a blue rectangular device, an outdoor antenna, indoor antennas, cables, and a power adapter. Boost4U GD250 Dual Band Signal Booster | 250m² 900/1800MHz | £235.00 - Man sitting on a couch using a smartphone with a blurred outdoor background UK Mobile Phone Signal Booster Improve Signal - Mobile Signal Booster EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal Mobile Signal Booster Panel Antenna - Mobile Signal Booster EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal Mobile Signal Booster Cable - Mobile Signal Booster EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal Mobile Signal Booster Whip Antenna - Mobile Signal Booster EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal Mobile Signal Booster Package - Mobile Signal Booster EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal Mobile Signal Booster How Panel Antenna Works - Mobile Signal Booster EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal Mobile Signal Booster How Whip Antenna Works - Mobile Signal Booster EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal Mobile Signal Booster Whip Antenna Improved Signal Up to 5 Bars - Mobile Signal Booster EE Signal Booster O2 Signal Booster Vodafone Signal Booster 4G LTE Booster Indoor Coverage Booster UK Mobile Network Improve Mobile Signal Mobile Signal Booster 4G to WiFi --- > Source: [B4U](https://www.ukmobilebooster.com/products/gd250-mobile-booster) > Updated: 2026-09-07