# Calls - 200m2 (Vivo/Sercomtel) Cell Phone Signal Booster ##### **Enhanced Call Clarity** Experience crystal-clear voice calls and eliminate annoying dropouts with our advanced Cell Phone Signal Booster. Designed for Brazil’s Vivo and Sercomtel networks, this powerful device ensures that your voice calls are transmitted over a stable 4G LTE network, providing you with a premium calling experience. ##### **Broad Coverage** Boost your indoor signal across an impressive area of up to 200 m². Ideal for small apartments and offices, our dual-band booster effectively enhances signals for multiple users, making it perfect for families or small teams needing reliable connectivity. ##### **Support for Multiple Carriers** No need to worry about compatibility! Our booster optimally supports not just Vivo and Sercomtel but also enhances signals for TIM, Claro, Oi, Nextel, and Algar carriers. Enjoy seamless connectivity regardless of your mobile network. ##### **Effortless Installation** Get started with ease! The booster kit includes everything you need for a trouble-free installation, from antennas to cables. You won’t need any special tools or expertise to enjoy better coverage in your home or office. ##### **Longer Battery Life** Say goodbye to frequent charging! By improving your device's signal reception, our booster reduces battery drain on your smartphone. Enjoy longer usage times and stay connected without the hassle of constantly looking for a charger. ##### **Upgrade Options Available** Customize your booster system with our upgrade options for external cables, antennas, and surge protectors. Tailor your setup for optimal performance based on your specific coverage needs or environmental challenges, ensuring you get the best signal boost possible. It boost **Calls and 3G and 4G LTE** signal on 850MHz, 1800MHz frequency, the frequencies used in **Brazil** used by mobile networks to deliver their mobile services: 2G. It work on both 850Mhz (Band 5) & 1800MHz (Band 3) frequencies mainly used for improving Vivo and Sercomtel mobile carrier networks **Voice Calls & Text** signal. It also boost Sercomtel mobile carrier for improving **3G** signal, and boost Vivo, TIM, Claro, Oi, Nextel and Algar mobile carriers 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. If you have a 4G ready phone, but you’re **not in a 4G area**, you’ll **still be able to use Voice Calls, Texts and 3G**. Boost indoor signal cover an area up to **200 m2**, is ideal for small apartments or offices. The booster enhances cell signals is a low-cost amplifier that wirelessly enhances cell signals for cellular devices (smartphones, tablets, Kindle, etc). It provides stronger signals, longer battery life, and clear connections to your phone. This device will boost mobile providers' 2G and 3G 850MHz, and 2G and 4G LTE 1800MHz (Band 5/3) network signal. This system will provide coverage on both 850MHz, 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! * * * **Clear Voice** No Miss Important Calls **Wow 2G/3G/4G Calls** Eliminates Dropped Calls **Battery Life** Get Longer On Your Phone **Send/Receive SMS** SMS Text Messages Quickly **Consistent Connection** Reliable 3G/4G Data **Seamless Switching** Back to Normal Network **3G/4G Internet** Faster Uploads & Downloads **Multiple Users** 20 Simultaneously **Signal Wider Coverage** Reception Up to 200 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 \[Voice Calls\] (Band 5, 3) Country Brazil **Boost All On** Vivo (2G & 4G) TIM (4G) Claro (4G) Oi (4G) Nextel (4G) Algar (4G) Sercomtel (3G) Users Supporting 20 Simultaneously Band Dual Band 5 & 3 Frequency 850MHz & 1800MHz Gain(dB) Uplink Gp≥60; Downlink Gp≥65 Up-link 824~849 MHz; 1710~1785 MHz Down-link 869~894 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 1 x 5 Meters Indoor Cable **Warming Tips:** - Band Confirmation: This booster can boost signals on Band 5, 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 cell phone signal booster? - A cell phone signal booster is a device that helps improve your phone's connection to the cellular network. It makes calls clearer and helps you send texts without interruptions. If you struggle with weak signals at home, this device could be the solution. 2. How does the 200m2 Signal Booster work? - The 200m2 Signal Booster boosts signals for calls and mobile data by capturing outside signals, amplifying them, and then sending them inside your home or office. It works on Vivo and Sercomtel networks, and it can improve both 3G and 4G signals for better connectivity. 3. Who can use this booster? - Anyone who experiences weak cell phone signals can use this booster! It’s great for families, offices, or any place where multiple people use different mobile carriers like Vivo, TIM, Claro, and more. It supports up to 20 users simultaneously! 4. What area does this booster cover? - This booster can cover areas up to 200 square meters, which is perfect for small apartments or offices. If you need more coverage, you may also consider upgrading the external cables or aerial for better performance. 5. Can I use it if there's no signal outside? - Unfortunately, no. The booster needs a signal from outside to work. If there’s no signal outside, it won't be able to amplify anything inside. It only enhances existing signals. 6. Is it easy to install? - Yes, the 200m2 Signal Booster comes with everything you need for installation, and it's designed to be user-friendly. You will receive an external aerial, cables, a booster base unit, internal aerial, and a power adapter, making setup easy! 7. What frequencies does this booster support? - The 200m2 Signal Booster supports two main frequency bands: 850MHz and 1800MHz. These frequencies help enhance the signals from carriers like Vivo and Sercomtel, allowing you to make calls and use data more effectively. 8. Will it help with battery life? - Yes! By improving signal strength, your phone doesn't have to work as hard to maintain a connection, which can lead to longer battery life. This means that you can spend more time talking or using data without worrying about your battery running low. 9. What if I have a 4G phone but live in a 3G area? - You can still use your phone for calls and texts, as the booster supports 3G connectivity. This means you won’t be left without service, even if you don’t have 4G coverage in your area. 10. What is the upgrade option for the external aerial? - If you find that your phone only gets weak signals indoors, you can upgrade to a higher gain Yagi antenna. This can improve performance if you have only 1 or 2 signal bars on your phone, helping to capture better signals from outside. TAGES: Cell Phone Signal Booster, 4G LTE Booster Brazil, Vivo Signal Enhancer, Sercomtel Mobile Booster, Improve Voice Calls, Dual Band Signal Amplifier, Indoor Signal Coverage 200m2, Mobile Network Signal Booster ## Details - **Price:** 205.99 GBP - 325.99 GBP - **Vendor:** UKMobileBooster.com - **Type:** Brazil - **Tags:** application Voice Calls, br br, coverage up to 200 sq metres, frequency 850 1800MHz, provider Sercomtel, provider Vivo ## Variants | Variant | Price | Available | |---------|-------|-----------| | No / No / No | 205.99 GBP | In stock | | No / No / Yes | 225.99 GBP | In stock | | No / Yes / No | 255.99 GBP | In stock | | No / Yes / Yes | 275.99 GBP | In stock | | 20 M / No / No | 225.99 GBP | In stock | | 20 M / No / Yes | 245.99 GBP | In stock | | 20 M / Yes / No | 275.99 GBP | In stock | | 20 M / Yes / Yes | 295.99 GBP | In stock | | 30 M / No / No | 235.99 GBP | In stock | | 30 M / No / Yes | 255.99 GBP | In stock | | 30 M / Yes / No | 285.99 GBP | In stock | | 30 M / Yes / Yes | 305.99 GBP | In stock | | 40 M / No / No | 245.99 GBP | In stock | | 40 M / No / Yes | 265.99 GBP | In stock | | 40 M / Yes / No | 295.99 GBP | In stock | | 40 M / Yes / Yes | 315.99 GBP | In stock | | 50 M / No / No | 255.99 GBP | In stock | | 50 M / No / Yes | 275.99 GBP | In stock | | 50 M / Yes / No | 305.99 GBP | In stock | | 50 M / Yes / Yes | 325.99 GBP | In stock | ## Images - Calls - 200m2 (Vivo/Sercomtel) Cell Phone Signal Booster - Calls - 200m2 (Vivo/Sercomtel) Cell Phone Signal Booster - Calls - 200m2 (Vivo/Sercomtel) Cell Phone Signal Booster - Calls - 200m2 (Vivo/Sercomtel) Cell Phone Signal Booster - Calls - 200m2 (Vivo/Sercomtel) Cell Phone Signal Booster - Calls - 200m2 (Vivo/Sercomtel) Cell Phone Signal Booster - Calls - 200m2 (Vivo/Sercomtel) Cell Phone Signal Booster - Calls - 200m2 (Vivo/Sercomtel) Cell Phone Signal Booster - Calls - 200m2 (Vivo/Sercomtel) Cell Phone Signal Booster --- > Source: [B4U](https://www.ukmobilebooster.com/products/br-td200-mobile-booster) > Updated: 2026-09-02