# Calls - 100m2 (O2/Telekom/Orange) Mobile Signal Booster ##### **Enhanced Call Clarity** Experience crystal-clear voice calls with the Calls - 100m2 Mobile Signal Booster. Designed to amplify signals specifically for O2, Telekom, and Orange networks in Slovakia, it ensures that every conversation comes through loud and clear, allowing you to stay connected without interruptions. ##### **Broad Coverage Area** Effectively boost your mobile signal coverage up to 100 square meters, perfect for small apartments or offices. With the Calls - 100m2 Mobile Signal Booster, you can enjoy reliable communication throughout your space, eliminating dead zones and ensuring consistent service where you need it most. ##### **Simple Installation Process** Setting up the Calls - 100m2 Mobile Signal Booster is a breeze! The kit includes everything needed for installation - from external and internal antennas to cables and a power adapter. Just follow the easy installation steps, and you'll be boosting your signal in no time! ##### **Supports Multiple Users** This powerful mobile signal booster supports up to 10 simultaneous users, making it the ideal solution for families or small offices. Whether you're making calls or sending texts, everyone can enjoy improved connectivity and faster communication, ensuring you never miss a moment. ##### **Reliable Performance** Operating on the 900MHz frequency for maximum compatibility with various carriers, the Calls - 100m2 Mobile Signal Booster delivers consistent performance for voice calls and texts. You can rely on this device, especially in areas with weak signals, for stable and effective communication. ##### **Upgrade Options Available** Customize your booster setup with available upgrade options, such as a higher gain external aerial for improved performance or lightning surge protectors to safeguard your equipment. This ensures your signal booster works effectively in any environment, tailored to your specific needs. It boost **Calls** signal on 900MHz frequency, the frequency used in **Slovakia** used by mobile networks to deliver their mobile services: 2G (also known as GSM). It work on 900Mhz (Band 8) frequency for improving O2, Telekom, Orange etc ALL mobile carrier networks (except Swan 4ka) **Voice Calls & Text** signal. Boost indoor signal coverage up to **100 m2**, is ideal for small apartments or offices. * * * **Clear Voice** No Miss Important Calls **Send/Receive SMS** SMS Text Messages Quickly **Signal Wider Coverage** Reception Up to 100 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 Voice Calls & Text (Band 8) Country Slovakia **Boost All On** O2 (2G) Telekom (2G) Orange (2G) FunFon (2G) Juro (2G) Tesco Mobile (2G) Users Supporting 10 Simultaneously Band Single Band 8 Frequency 900MHz Gain(dB) Uplink Gp≥45; Downlink Gp≥50 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 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 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 2 Indoor Antennas](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/Expand-Cell-Coverage-with-2-Indoor-Antenna.png?v=1700361962) ### **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 the Calls - 100m2 Mobile Signal Booster? - The Calls - 100m2 Mobile Signal Booster is a device designed to enhance mobile phone signals, especially for O2, Telekom, and Orange in Slovakia. It boosts the 2G (GSM) signal at a frequency of 900MHz, allowing you to make clear calls and send texts more effectively. This booster can cover an area of up to 100 square meters, making it perfect for small homes or offices. 2. How do I install the mobile signal booster? - Installing the mobile signal booster is straightforward. First, do a loose installation to find the best spots for the antennas and cables. Install the outdoor panel antenna where the mobile signal is strongest, usually on your roof. Then, connect the outdoor antenna to the booster inside your building using the provided cable. Finally, connect the indoor antenna to the booster, plug in the power supply, and you're all set! 3. Can this booster work if there is no signal outside? - Unfortunately, the mobile signal booster cannot create a signal if there is none outside. It can only amplify existing signals. If you have a weak or no mobile signal outside, the booster will not be able to function effectively. 4. Why is my phone still not getting a good signal after using the booster? - If you're still having trouble with your signal, it could be due to several factors. Make sure the outdoor antenna is positioned correctly where the signal is strongest. Also, check that all the connections are secure and that the booster is powered on. Additionally, the type of walls and materials in your building can impact signal strength. 5. How does the mobile signal booster enhance my calls? - The mobile signal booster enhances your calls by capturing weak signals from outside and amplifying them within your home or office. This leads to clearer voice calls, fewer dropped calls, and the ability to send or receive SMS messages quickly and reliably. 6. How many users can connect to the booster at the same time? - The Calls - 100m2 Mobile Signal Booster supports up to 10 users simultaneously. This means that you and several other family members or colleagues can enjoy improved signal strength at the same time, making it great for small apartments or offices. 7. What frequencies does this booster work with? - This signal booster works specifically on the 900MHz frequency band, which is utilized by various mobile services in Slovakia, including O2, Telekom, and Orange for 2G networks. For optimal performance, ensure that your mobile device operates on this frequency. 8. Is the signal booster easy to install? - Yes! The signal booster comes with everything you need for installation, including antennas, cables, and a booster unit. With clear instructions, even someone with little technical knowledge can set it up without trouble. Just follow the steps on the quick start guide provided in the kit. 9. Can I upgrade the external aerial for better performance? - Yes, you can upgrade to a higher gain Yagi antenna to improve performance further. This is especially useful if your phone displays a low signal or if you want to enhance reception in challenging areas. 10. What should I do if I have further questions about the product? - If you have more questions or need assistance, you can reach out through the contact page on our website. Our support team is always ready to help you with any inquiries or concerns regarding your mobile signal booster. TAGES: mobile signal booster, calls booster, O2 signal enhancement, Telekom mobile amplifier, Orange booster, 100m2 coverage, GSM booster, indoor signal improvement ## Details - **Price:** 75.0 GBP - 195.0 GBP - **Vendor:** UKMobileBooster.com - **Type:** Slovakia - **Tags:** application Voice Calls, coverage Up to 100 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 | 75.00 GBP | In stock | | No / No / Yes | 95.00 GBP | In stock | | No / Yes / No | 125.00 GBP | In stock | | No / Yes / Yes | 145.00 GBP | In stock | | 20 M / No / No | 95.00 GBP | In stock | | 20 M / No / Yes | 115.00 GBP | In stock | | 20 M / Yes / No | 145.00 GBP | In stock | | 20 M / Yes / Yes | 165.00 GBP | In stock | | 30 M / No / No | 105.00 GBP | In stock | | 30 M / No / Yes | 125.00 GBP | In stock | | 30 M / Yes / No | 155.00 GBP | In stock | | 30 M / Yes / Yes | 175.00 GBP | In stock | | 40 M / No / No | 115.00 GBP | In stock | | 40 M / No / Yes | 135.00 GBP | In stock | | 40 M / Yes / No | 165.00 GBP | In stock | | 40 M / Yes / Yes | 185.00 GBP | In stock | | 50 M / No / No | 125.00 GBP | In stock | | 50 M / No / Yes | 145.00 GBP | In stock | | 50 M / Yes / No | 175.00 GBP | In stock | | 50 M / Yes / Yes | 195.00 GBP | In stock | ## Images - Calls - 100m2 (O2/Telekom/Orange) Mobile Signal Booster - Mobile Signal Booster Panel Antenna - Mobile Signal Booster Cable - Mobile Signal Booster Whip Antenna - Mobile Signal Booster Package - Mobile Signal Booster How Panel Antenna Works - Mobile Signal Booster How Whip Antenna Works - Mobile Signal Booster Whip Antenna Improved Signal Up to 5 Bars - Mobile Signal Booster How it Works --- > Source: [B4U](https://www.ukmobilebooster.com/products/sk-g100-mobile-booster) > Updated: 2026-09-02