# 3G - 300m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster ##### **Strong 3G Signal Boosting** Experience enhanced connectivity with our mobile signal booster that amplifies 3G signals at 2100MHz, crucial for reliable mobile services in Switzerland. Whether you're on Sunrise, Swisscom, Salt, or Yallo, our system ensures you're always connected with fewer dropped calls and faster data rates. ##### **Wide Coverage Area** Designed for medium-sized spaces, our booster effectively covers indoor areas up to 300 m². Ideal for homes, cafes, restaurants, and pubs, it transforms weak signals into robust connectivity, allowing everyone to enjoy uninterrupted service. ##### **Comprehensive Installation Kit** No hidden costs! Our complete installation kit includes all necessary components: external aerial, booster unit, internal antenna, and cables. Everything needed for setup is provided, ensuring a seamless installation experience with minimal hassle. ##### **Customizable Upgrades** Tailor your booster experience with optional upgrades! Choose a higher gain Yagi antenna for superior performance or a protection unit against surges to safeguard your equipment. Enhance your booster to match your specific needs and environment. ##### **Supports Multiple Users** Connect up to 30 devices simultaneously without compromising signal strength. Our booster is perfect for family homes or busy commercial settings, allowing everyone to enjoy seamless 3G data and calls, all day long. ##### **User-Friendly Band Checker** Easily check if your network is compatible! Use your smartphone to verify frequency bands through simple dial codes or apps, ensuring that our booster will effectively amplify your specific mobile signal for optimal performance. It boost **3G** signal on 2100MHz frequency, the frequency used in **Switzerland** used by mobile networks to deliver their mobile services: 3G, 3.5G (also known as HSDPA provides faster data rates than 3G). It can boost all networks on Sunrise, Swisscom, Yallo, M-Budget, Lebara, Aldi mobile, Ortel mobile, Lyca mobile, Ok.- mobile, Salt Mobile, UPC Cablecom, CoopMobile, TalkTalk and Mucho for improving **3G** signal. It suitable for medium size, boost indoor signal areas up to **300 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 300 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 Switzerland **Boost All On** Swisscom (3G) Sunrise (3G) Salt Mobile (3G) Yallo (3G) Aldi mobile (3G) CoopMobile (3G) Lebara mobile (3G) Lycamobile (3G) Mucho (3G) M-Budget (3G) Ok.-mobile (3G) Ortel mobile (3G) TalkTalk (3G) UPC Cablecom (3G) Users Supporting 30 Simultaneously Band Single Band 1 Frequency 2100MHz Gain(dB) Uplink Gp≥60; Downlink Gp≥65 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 the strength of your mobile signal at home or in other buildings. It captures weak signals from outside and amplifies them, making it easier to use your phone for calls and data. 2. How does the 3G mobile signal booster work? - The 3G mobile signal booster picks up 3G signals from nearby cell towers, boosts them, and then sends the stronger signals inside your home or office. This helps ensure you have a good connection for calling and using the internet. 3. Can I use the booster with any mobile provider? - Yes! This booster works with various mobile networks in Switzerland, including Sunrise, Swisscom, Yallo, and many others. You can use it to boost your signal no matter which provider you have. 4. How big of an area will the booster cover? - The 3G mobile signal booster is designed to cover areas up to 300 square meters. This means it can effectively boost signals in medium-sized homes, cafes, restaurants, and similar spaces. 5. What do I need to do to install the booster? - Installing the booster is easy! The kit comes with everything you need, including the booster unit and antennas. Just follow the included instructions, and you’ll be able to set it up without any help! 6. What if there's no signal outside? - It's important to know that a signal booster can't create a signal where there isn't one. If you have no signal outside, the booster won't work. Make sure you check your outdoor signal strength before getting a booster. 7. Do I need to upgrade any parts for better performance? - If your signal is still weak after installing the booster, you might consider upgrading to a higher-gain external antenna or longer cables. This can help capture a stronger signal from further away. 8. Can the booster handle multiple users at the same time? - Yes, the 3G mobile signal booster can support up to 30 users simultaneously. This is great if you have many people using their phones or tablets in one area. 9. How do I check if my phone is on the right frequency band? - You can check your phone's frequency band by dialing \*3001#12345#\*, tapping call, and looking for 'Freq Band Indicator' in the Serving Cell Info. This helps you ensure your phone is compatible with the booster. 10. What should I do if the booster doesn't work as expected? - If the booster isn't working properly, check to make sure it is installed correctly and that there is a signal outside. If you need help, it's a good idea to contact customer support for troubleshooting assistance. TAGES: 3G mobile signal booster, Switzerland mobile networks, Sunrise Swisscom Salt Yallo, boost indoor signal 300m2, eliminate dropped calls, reliable 3G data connection, signal booster installation kit, outdoor antenna upgrade ## Details - **Price:** 183.82 GBP - 303.82 GBP - **Vendor:** UKMobileBooster.com - **Type:** Switzerland - **Tags:** application 3G Data, ch Aldi, ch ch, ch CoopMobile, ch Lebara, ch Lycamobile, ch M-Budget, ch Mucho, ch Ok.-mobile, ch Ortel, ch Salt, ch Sunrise, ch Swisscom, ch TalkTalk, ch UPC Cablecom, ch Yallo, coverage up to 300 sq metres, has_stock_countdown, provider Aldi Mobile, provider CoopMobile, provider Lebara Mobile, provider Lycamobile, provider M-Budget, 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 | 183.82 GBP | In stock | | No / No / Yes | 203.82 GBP | In stock | | No / Yes / No | 233.82 GBP | In stock | | No / Yes / Yes | 253.82 GBP | In stock | | 20 M / No / No | 203.82 GBP | In stock | | 20 M / No / Yes | 223.82 GBP | In stock | | 20 M / Yes / No | 253.82 GBP | In stock | | 20 M / Yes / Yes | 273.82 GBP | In stock | | 30 M / No / No | 213.82 GBP | In stock | | 30 M / No / Yes | 233.82 GBP | In stock | | 30 M / Yes / No | 263.82 GBP | In stock | | 30 M / Yes / Yes | 283.82 GBP | In stock | | 40 M / No / No | 223.82 GBP | In stock | | 40 M / No / Yes | 243.82 GBP | In stock | | 40 M / Yes / No | 273.82 GBP | In stock | | 40 M / Yes / Yes | 293.82 GBP | In stock | | 50 M / No / No | 233.82 GBP | In stock | | 50 M / No / Yes | 253.82 GBP | In stock | | 50 M / Yes / No | 283.82 GBP | In stock | | 50 M / Yes / Yes | 303.82 GBP | In stock | ## Images - 3G - 300m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 3G - 300m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 3G - 300m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 3G - 300m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 3G - 300m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 3G - 300m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 3G - 300m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 3G - 300m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster - 3G - 300m2 (Swisscom/Sunrise/Salt/Yallo) Mobile Signal Booster --- > Source: [B4U](https://www.ukmobilebooster.com/products/ch-w300-mobile-booster) > Updated: 2026-09-02