# 4G LTE - 250m2 (Swan 4ka) Mobile Signal Booster ##### **Enhanced 4G LTE Signal** Experience lightning-fast 4G LTE performance with the Swan 4ka Mobile Signal Booster. It efficiently enhances the 4G signal on the 1800MHz frequency, which is essential for optimal mobile services in Slovakia. Enjoy clearer calls and uninterrupted streaming with boosted connectivity throughout your space. ##### **Coverage Up to 250m²** Designed for medium-sized areas, the Swan 4ka Mobile Signal Booster covers up to an impressive 250m². Whether at home, in a café, or a restaurant, this device ensures you have strong signal coverage, transforming your connectivity experience. ##### **Easy Installation Kit** The Swan 4ka booster comes fully equipped with everything you need for a hassle-free installation. The kit includes an outdoor antenna, indoor antenna, power adapter, and 10 meters of cable, allowing you to set up your booster with minimal effort and convenience. ##### **Support for Multiple Users** This mobile signal booster supports up to 25 simultaneous users, making it ideal for family homes, offices, or even small business environments. Enjoy shared high-speed internet access without any connectivity issues. ##### **Upgrade Options Available** Maximize your booster’s performance with available upgrade options. Choose from high-gain antennas for better reception or surge protectors to safeguard your device against electrical spikes, ensuring consistent and reliable service. ##### **Portable and Compact Design** Designed with portability in mind, the Swan 4ka Mobile Signal Booster is compact and lightweight, making it easy to relocate as needed. Take it to various locations for improved reception wherever you go. It boost **4G LTE** signal on 1800MHz frequency, the frequency used in **Slovakia** used by mobile networks to deliver their mobile services: 4G. It work on 1800Mhz (Band 3) frequency for improving Swan 4ka mobile carrier network **4G LTE** 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. * * * **Consistent Connection** Reliable 4G/LTE Data **4G/LTE Internet** 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. ![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 \[4G LTE \] (Band 3) Country Slovakia **Boost All On** Swan 4ka (4G) Users Supporting 25 Simultaneously Band Single Band 3 Frequency 1800MHz Gain(dB) Uplink Gp≥55; Downlink Gp≥60 Up-link 1710~1785 MHz Down-link 1805~1880 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 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 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 inside your home or office. It works by capturing the existing signal from outside, making it stronger, and then boosting it to create better reception indoors. 2. How does the 4G LTE - 250m2 Booster work? - The 4G LTE - 250m2 Booster captures 4G signals on the 1800MHz frequency. It amplifies these signals and spreads them throughout an area of up to 250 square meters. This makes it perfect for homes, cafes, or small restaurants. 3. Can this booster work without any outside signal? - No, the booster needs some signal outside to work. If there’s no signal outside your home, the booster will not be able to create a signal inside. 4. Is it easy to install the mobile signal booster? - Yes! The booster kit comes with everything you need for installation, including outdoor and indoor antennas and cables. Many users find it helpful to do a loose install first to find the best spot for the antennas. 5. What if I don't have enough cable length for installation? - If the standard 10-meter cable isn't long enough for your needs, you can choose to upgrade to a longer cable during your purchase. You can select between different lengths, such as 20m, 30m, 40m, or 50m. 6. How many people can use the booster at once? - The 4G LTE - 250m2 Booster can support up to 25 users at the same time. This means that multiple people can enjoy better signal strength together without any issues. 7. What if I need better signal strength? - If your phone only shows 1 or 2 signal bars indoors, you may want to upgrade to a higher gain outdoor antenna. Doing this can help you capture stronger signals from outside, making your booster even more effective. 8. Is there a warranty on the signal booster? - Yes, you can typically expect a warranty on your mobile signal booster purchase. This may vary, so check the product details when buying to know how long it lasts and what it covers. 9. Can I use this signal booster for other network carriers? - The 4G LTE - 250m2 Booster is specifically designed for the Swan 4ka carrier on the 1800MHz frequency. It may not work optimally with other mobile network providers in Slovakia or elsewhere. TAGES: 4G LTE signal booster, mobile signal booster, Swan 4ka, boost indoor signal, 250m2 coverage, Slovakia mobile network, enhance mobile reception, installation mobile booster ## Details - **Price:** 169.0 GBP - 289.0 GBP - **Vendor:** UKMobileBooster.com - **Type:** Slovakia - **Tags:** application 4G LTE Data, coverage up to 250 sq metres, has_stock_countdown, provider Swan 4ka, 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 - 4G LTE - 250m2 (Swan 4ka) Mobile Signal Booster - 4G LTE - 250m2 (Swan 4ka) Mobile Signal Booster - 4G LTE - 250m2 (Swan 4ka) Mobile Signal Booster - 4G LTE - 250m2 (Swan 4ka) Mobile Signal Booster - 4G LTE - 250m2 (Swan 4ka) Mobile Signal Booster - 4G LTE - 250m2 (Swan 4ka) Mobile Signal Booster - 4G LTE - 250m2 (Swan 4ka) Mobile Signal Booster - 4G LTE - 250m2 (Swan 4ka) Mobile Signal Booster - 4G LTE - 250m2 (Swan 4ka) Mobile Signal Booster - 4G LTE - 250m2 (Swan 4ka) Mobile Signal Booster --- > Source: [B4U](https://www.ukmobilebooster.com/products/sk-d250-mobile-booster) > Updated: 2026-09-02