# 4G LTE & Calls - 100m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster ##### **Wide Coverage Area** Experience seamless connectivity with our mobile booster that covers up to \*\*100 m²\*\*. Perfect for small apartments or offices, it ensures strong signal strength in every corner, so you can enjoy reliable 4G LTE and calls without any interruptions. ##### **Universal 4G LTE Boost** This versatile booster enhances \*\*ALL 4G LTE signals\*\* across all major networks in Switzerland, including Swisscom, Sunrise, and Yallo, for unmatched connectivity. Unlike other kits, it boosts frequency on \*\*both 800MHz and 1800MHz\*\* simultaneously, making it ideal for households with multiple networks. ##### **Clear and Reliable Voice Calls** Make \*\*crystal-clear voice calls\*\* with improved call quality thanks to the 4G Calling feature. Say goodbye to dropped calls and missed opportunities, and connect effortlessly even in areas with weak cellular reception. ##### **Fast Data Speeds** Enjoy \*\*faster uploads and downloads\*\* with enhanced 4G LTE coverage. This booster not only improves your phone calls but also significantly boosts your internet speed, ensuring smooth streaming and quick browsing. ##### **Easy Installation** Everything you need for installation comes in one complete kit, so you can quickly set up your mobile signal booster without hassle. The package includes an external aerial, internal aerial, cables, and power adapter, making it an easy DIY project! ##### **Upgrade Options Available** Customize your signal booster experience with our upgrade options. Choose a higher gain aerial for boosted performance in low-signal areas, or add a surge protector to safeguard your equipment against electrical surges. Enhance your connectivity today! It boost **All 4G/LTE and All Calls** signal on 800MHz, 1800MHz frequencies, the frequencies used in **Switzerland** used by mobile networks to deliver their) mobile services: 4G and 2G (also known as GSM. It can boost all networks on Sunrise, Swisscom, Yallo, Lebara, Aldi mobile, Ortel mobile, Lycamobile, Ok.-mobile, Salt Mobile, UPC Cablecom, CoopMobile, TalkTalk and Mucho 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 also can boost all network operators for improving **Voice Calls & Text** signal. Boost indoor signal cover an area up to **100 m2**, is ideal for small apartments or offices. The system is designed for universal 4G coverage. Unlike other kits this device will boost ALL mobile providers' 4G LTE, the solution will provide coverage on on both 800MHz, 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! * * * **Wow 4G/2G Calls** Eliminates Dropped Calls **Clear Voice** No Miss Important Calls **Consistent Connection** Reliable 4G/LTE Data **Send/Receive SMS** SMS Text Messages Quickly **4G/LTE Internet** Faster Uploads & Downloads **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 \[4G/LTE & Voice Calls\] (Band 20, 3) Country Switzerland **Boost All On** Swisscom (2G & 4G) Sunrise (2G & 4G) Salt Mobile (2G & 4G) Yallo (2G & 4G) Aldi mobile (2G & 4G) CoopMobile (2G & 4G) Lebara mobile (2G & 4G) Lycamobile (2G & 4G) Mucho (2G & 4G) M-Budget (2G) Ok.-mobile (2G & 4G) Ortel mobile (2G & 4G) TalkTalk (2G & 4G) UPC Cablecom (2G & 4G) Users Supporting 10 Simultaneously Band Dual Band 20 & 3 Frequency 800MHz & 1800MHz Gain(dB) Uplink Gp≥45; Downlink Gp≥50 Up-link 832~862 MHz; 1710~1785 MHz Down-link 791~821 MHz; 1805~1880 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 20, or 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 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 a mobile signal booster? - A mobile signal booster is a device that helps improve the strength of your mobile phone signal. If you live or work in an area with weak signal, this tool can help you make clearer calls, send texts, and use mobile data more effectively. 2. Which networks does this booster work with? - This booster works with many mobile networks in Switzerland, including Swisscom, Sunrise, Yallo, and Salt Mobile. It boosts signals for both 4G LTE and 2G networks, so you can enjoy better calls and data connections regardless of your provider. 3. How does the signal booster work? - The signal booster works by catching existing weak signals from outside and making them stronger inside your home or office. It cannot create new signals but can amplify what is already available. 4. How big of an area can the booster cover? - The booster can cover an indoor area of up to 100 square meters. This makes it great for small apartments or offices where many people need to use their phones. 5. Is the booster easy to install? - Yes, the kit comes with everything you need for installation, including antennas and cables. Many users find it straightforward to set up with the included instructions. 6. Can I use the booster if there’s no signal outside? - Unfortunately, if there is no signal available outside, the booster won’t work. It needs some signal to amplify and improve your indoor reception. 7. What should I do if my phone shows weak signal bars? - If your phone shows only 1 or 2 bars of signal, you might want to consider upgrading to a higher gain external antenna. This can help improve your signal strength significantly. 8. What is 4G Calling and how does it relate to the booster? - 4G Calling, also known as Voice over LTE (VoLTE), allows you to make phone calls over the 4G network instead of the traditional voice network. If your phone supports this and you have coverage, the booster will help deliver clearer call quality. 9. Does the booster support multiple users? - Yes, this booster can support up to 10 users simultaneously. This makes it a great choice for families or small offices where many people are using their phones at the same time. 10. What do I need to check before buying this booster? - Before purchasing, check if your mobile network operates on the 800MHz or 1800MHz frequencies. You can do this by dialing a specific code on your iPhone or using an app that shows your frequency band. TAGES: 4G LTE, mobile signal booster, Switzerland mobile networks, Voice over LTE, signal coverage, SMS text messages, dual band booster, improve mobile reception ## Details - **Price:** 185.99 GBP - 305.99 GBP - **Vendor:** UKMobileBooster.com - **Type:** Switzerland - **Tags:** application 4G LTE Data & Voice Calls, ch Aldi, ch ch, ch CoopMobile, ch Lebara, ch Lycamobile, ch Mucho, ch Ok.-mobile, ch Ortel, ch Salt, ch Sunrise, ch Swisscom, ch TalkTalk, ch UPC Cablecom, ch Yallo, coverage Up to 100 sq metres, has_stock_countdown, provider Aldi Mobile, provider CoopMobile, provider Lebara Mobile, provider Lycamobile, provider Mucho, provider Ok.-mobile, provider Ortel Mobile, provider Salt Mobile, provider Sunrise, provider Swisscom, provider TalkTalk, provider UPC Cablecom, provider Yallo ## Variants | Variant | Price | Available | |---------|-------|-----------| | No / No / No | 185.99 GBP | In stock | | No / No / Yes | 205.99 GBP | In stock | | No / Yes / No | 235.99 GBP | In stock | | No / Yes / Yes | 255.99 GBP | In stock | | 20 M / No / No | 205.99 GBP | In stock | | 20 M / No / Yes | 225.99 GBP | In stock | | 20 M / Yes / No | 255.99 GBP | In stock | | 20 M / Yes / Yes | 275.99 GBP | In stock | | 30 M / No / No | 215.99 GBP | In stock | | 30 M / No / Yes | 235.99 GBP | In stock | | 30 M / Yes / No | 265.99 GBP | In stock | | 30 M / Yes / Yes | 285.99 GBP | In stock | | 40 M / No / No | 225.99 GBP | In stock | | 40 M / No / Yes | 245.99 GBP | In stock | | 40 M / Yes / No | 275.99 GBP | In stock | | 40 M / Yes / Yes | 295.99 GBP | In stock | | 50 M / No / No | 235.99 GBP | In stock | | 50 M / No / Yes | 255.99 GBP | In stock | | 50 M / Yes / No | 285.99 GBP | In stock | | 50 M / Yes / Yes | 305.99 GBP | In stock | ## Images - 4G LTE & Calls - 100m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 4G LTE & Calls - 100m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 4G LTE & Calls - 100m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 4G LTE & Calls - 100m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 4G LTE & Calls - 100m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 4G LTE & Calls - 100m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 4G LTE & Calls - 100m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 4G LTE & Calls - 100m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 4G LTE & Calls - 100m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 4G LTE & Calls - 100m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster --- > Source: [B4U](https://www.ukmobilebooster.com/products/ch-cd100-mobile-booster) > Updated: 2026-09-02