# 3G - 250m2 (O2/Telekom/Orange) Mobile Signal Booster ##### **Enhanced 3G Signal** Experience significantly improved 3G signal coverage with our booster designed specifically for the 2100MHz frequency used in Slovakia. It effectively enhances service from major carriers like O2, Telekom, and Orange, ensuring smooth communication and faster data transmission for all your mobile needs. ##### **Wide Coverage Area** Our 3G Mobile Signal Booster covers expansive indoor areas up to 250 m², making it ideal for homes, cafés, restaurants, and clubs. Say goodbye to dead zones and enjoy seamless connectivity in medium-sized spaces, enhancing your mobile experience significantly. ##### **Reliability You Can Trust** With our booster, experience reliable 3G connections that eliminate dropped calls and interruptions. Designed to support up to 25 users simultaneously, you can connect your entire family or team without worrying about network failures. ##### **Complete Installation Kit** Forget the hassle of buying separate components! Our kit comes with everything you need: an external aerial, cables, booster base unit, internal aerial, and a power adapter—all in one price. Enjoy an easy installation that gets you connected quicker. ##### **Upgrade Options Available** Tailor your signal boosting experience with our upgrade options, including longer external cables, high-gain antennas, and protective surge devices. Perfect for enhancing performance based on your specific location and signal strength needs. ##### **User-Friendly Check Tools** Quickly ensure you're on the correct frequency band with easy-to-follow instructions using your iPhone or compatible apps. Check your signal strength and equip yourself with the information you need to optimize your mobile connectivity. It boost **3G** signal on 2100MHz frequency, the frequency used in **Slovakia** 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 O2, Telekom, Orange etc ALL mobile carrier networks (except Swan 4ka) for improving **3G** 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. * * * **Wow 3G Calls** Eliminates Dropped Calls **Consistent Connection** Reliable 3G Data **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. ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal 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) ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve 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. ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve 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 \[3G\] (Band 1) Country Slovakia **Boost All On** O2 (3G) Telekom (3G) Orange (3G) FunFon (3G) Juro (3G) Tesco Mobile (3G) Users Supporting 25 Simultaneously Band Single Band 1 Frequency 2100MHz Gain(dB) Uplink Gp≥55; Downlink Gp≥60 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 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 4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve 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 4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve 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 4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve 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) ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal signal coverage](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/Coverage.jpg?v=1698191834) ### **Application Scenarios** ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal home application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-home.png?v=1697980834) **Home** ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal office application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-office.png?v=1697980832) **Office** ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal garage application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-garage.png?v=1697980834) **Garage** ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal metal buildings application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-metal-buildings.png?v=1697980834) **Metal Buildings** 1. What is a mobile signal booster? - A mobile signal booster is a device that helps improve weak mobile phone signals. It's like giving your phone a little boost so you can make calls and use the internet better, especially in areas with low reception. 2. What types of signals does this booster work with? - This booster is designed for \*\*3G\*\* signals, specifically on the 2100MHz frequency. It can improve the signals for networks like O2, Telekom, and Orange in Slovakia. 3. How much area can this booster cover? - The \*\*3G - 250m2\*\* booster can cover indoor areas up to 250 square meters. This is great for homes, cafes, restaurants, and places where you want a strong signal. 4. Can I use the booster if there is no signal outside? - No, the booster needs a signal from outside to work. If there's no signal outside, the booster won't be able to create one inside. 5. How do I check if my phone is compatible with the booster? - You can check if your phone works with the signal booster by dialing \*3001#12345# on your iPhone and looking for the 'Freq Band Indicator' in the 'Serving Cell Info'. This tells you if your phone can use the right frequency. 6. What is included in the booster kit? - The booster kit comes with everything you need: an external antenna, indoor antenna, booster unit, cables, and a power adapter. So, you are all set to improve your signal! 7. Do I need to do anything special for installation? - The installation is simple and you just need to follow the provided instructions. It's designed to be user-friendly, so you can set it up without much hassle. 8. What should I do if the standard cable length is not enough? - If the standard 10-meter cable isn't long enough for your area, you can upgrade to a longer cable option to ensure the booster works well. 9. What is the upgrade option for the external aerial? - If your phone usually has low signal bars indoors, you can upgrade to a Higher Gain Yagi Antenna. This helps boost your signal even more for a better performance. 10. What is a Lightning Surge Protector? - A Lightning Surge Protector is an extra safety device that you can add to protect your signal booster from sudden power surges caused by lightning. It's simple to install and helps keep your equipment safe. TAGES: 3G mobile signal booster, O2 signal booster, Telekom signal booster, Orange signal booster, boost indoor signal 250m2, reliable 3G data connection, signal improvement Slovakia, mobile phone signal booster accessories ## Details - **Price:** 169.0 GBP - 289.0 GBP - **Vendor:** UKMobileBooster.com - **Type:** Slovakia - **Tags:** application 3G Data, coverage up to 250 sq metres, has_stock_countdown, provider FunFon, provider Juro, provider O2, provider Orange, provider Telekom, provider Tesco Mobile, sk sk ## Variants | Variant | Price | Available | |---------|-------|-----------| | No / No / No | 169.00 GBP | In stock | | No / No / Yes | 189.00 GBP | In stock | | No / Yes / No | 219.00 GBP | In stock | | No / Yes / Yes | 239.00 GBP | In stock | | 20 M / No / No | 189.00 GBP | In stock | | 20 M / No / Yes | 209.00 GBP | In stock | | 20 M / Yes / No | 239.00 GBP | In stock | | 20 M / Yes / Yes | 259.00 GBP | In stock | | 30 M / No / No | 199.00 GBP | In stock | | 30 M / No / Yes | 219.00 GBP | In stock | | 30 M / Yes / No | 249.00 GBP | In stock | | 30 M / Yes / Yes | 269.00 GBP | In stock | | 40 M / No / No | 209.00 GBP | In stock | | 40 M / No / Yes | 229.00 GBP | In stock | | 40 M / Yes / No | 259.00 GBP | In stock | | 40 M / Yes / Yes | 279.00 GBP | In stock | | 50 M / No / No | 219.00 GBP | In stock | | 50 M / No / Yes | 239.00 GBP | In stock | | 50 M / Yes / No | 269.00 GBP | In stock | | 50 M / Yes / Yes | 289.00 GBP | In stock | ## Images - 3G - 250m2 (O2/Telekom/Orange) Mobile Signal Booster - 3G - 250m2 (O2/Telekom/Orange) Mobile Signal Booster - 3G - 250m2 (O2/Telekom/Orange) Mobile Signal Booster - 3G - 250m2 (O2/Telekom/Orange) Mobile Signal Booster - 3G - 250m2 (O2/Telekom/Orange) Mobile Signal Booster - 3G - 250m2 (O2/Telekom/Orange) Mobile Signal Booster - 3G - 250m2 (O2/Telekom/Orange) Mobile Signal Booster - 3G - 250m2 (O2/Telekom/Orange) Mobile Signal Booster - 3G - 250m2 (O2/Telekom/Orange) Mobile Signal Booster --- > Source: [B4U](https://www.ukmobilebooster.com/products/sk-w250-mobile-booster) > Updated: 2026-09-02