# Calls - 500m2 (Vivo/Sercomtel) Cell Phone Signal Booster ##### **Comprehensive Signal Boosting** Experience unparalleled connectivity with our dual-band signal booster that enhances voice calls, SMS, and 3G/4G data for multiple carriers including Vivo and Sercomtel. By amplifying 850MHz and 1800MHz frequencies, it ensures robust performance for all your mobile needs. ##### **Extensive Coverage Area** Designed to cover an impressive 500 m², this signal booster is ideal for homes and offices. Say goodbye to dead zones and enjoy consistent reception whether in the living room or at your workspace, ensuring every call and message is received without disruption. ##### **Reliable Voice Clarity** Enjoy crystal-clear voice calls with our 4G Calling capability. The booster allows for seamless communication, eliminating echoes and dropped calls, so you can connect easily and clearly whether at home or on the go. ##### **Support for Multiple Users** Our signal booster accommodates up to 50 simultaneous users, making it perfect for busy households or collaborative workspaces. Enhance connectivity without sacrificing quality, ensuring everyone stays connected when it matters most. ##### **Effortless Installation** Get started immediately with our all-inclusive kit that comes equipped with everything needed for a straightforward setup. From the external aerial to the power adapter, the installation process is designed to be user-friendly, allowing you to boost your signal in no time. ##### **Durability and Protection** Enhance your system's longevity with optional upgrade accessories like our Lightning Surge Protector. Designed to shield your equipment from harmful surges, you can enjoy peace of mind and extended performance, making this booster an investment in lasting connectivity. 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**. The booster is a high-performance booster, boost indoor signal cover an area of up to **500 m2**, perfect for medium houses, offices, warehouse and more. 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** 50 Simultaneously **Signal Wider Coverage** Reception Up to 500 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 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) * * * ### About 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) * * * ### 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 50 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) ≥20dBm 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 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 cell phone signal booster? - A cell phone signal booster is a device that helps to make your phone's signal stronger. It works by capturing weak signals from outside and amplifying them so you can have better calls and faster internet on your phone. This is especially helpful if you live in a place where the signal is weak. It’s like having a friend who helps your phone talk better! 2. How does the 500m2 booster work? - The 500m2 cell phone signal booster works by using two different frequencies: 850MHz and 1800MHz. These are special radio waves that your phone uses to talk to the nearest cell tower. The booster takes these waves and makes them stronger, so they can reach all corners of your home or office, covering an area of up to 500 square meters! 3. Can the booster improve calls for any mobile network? - Yes! The 500m2 booster can improve calls not just for Vivo but also for other networks like Sercomtel, TIM, Claro, Oi, Nextel, and Algar. This means that if you have friends or family in your house using different providers, everyone can enjoy clearer calls and faster data! 4. What if I don’t have any signal outside? - The booster can only make a weak signal stronger; if there’s no signal outside, it can’t create one. Think of it like a microphone: it can make your voice louder, but it can’t help if you’re not speaking at all! 5. How many devices can use the booster at once? - The 500m2 booster can support up to 50 devices at the same time! This means that everyone in your home can use their smartphones, tablets, or other devices without any interruption. It’s great for families and small offices! 6. How easy is it to install the signal booster? - Installing the 500m2 signal booster is quite easy! The kit comes with everything you need, such as antennas, cables, and a power adapter. Most people can do it themselves by following the instructions, just like assembling a simple toy. However, you might need some help reaching high places! 7. Will the booster help with texting? - Absolutely! The booster will help you send and receive text messages more quickly and reliably. You won’t have to worry about missing important messages because of weak signals! 8. How can I check which frequency my phone uses? - You can check which frequency your phone uses by dialing \*3001#12345#\* and looking at 'Freq Band Indicator' under 'Serving Cell Info'. This is like checking the information label on your clothes to see what kind of fabric it is! 9. What are upgrade options for the booster? - If the standard 10-meter external cable isn't long enough for your space, you can upgrade it for longer options. There’s also a Lightning Surge Protector you can get, which helps prevent damage from lightning. Just like wearing a raincoat to keep dry! 10. What makes this booster essential? - This booster is essential if you have several people using different mobile networks in your home. It helps everyone stay connected with clear calls and good internet, making life easier and more enjoyable for everyone! TAGES: Cell Phone Signal Booster, 3G 4G LTE Signal Amplifier, Vivo Sercomtel Booster, 500m2 Coverage, Voice Calls Text, Dual Band Mobile Booster, Brazil Mobile Network, Improve Mobile Signal ## Details - **Price:** 485.0 GBP - 555.0 GBP - **Vendor:** UKMobileBooster.com - **Type:** Brazil - **Tags:** application Voice Calls, br br, coverage up to 500 sq metres, frequency 850 1800MHz, provider Sercomtel, provider Vivo ## Variants | Variant | Price | Available | |---------|-------|-----------| | No / No | 485.00 GBP | In stock | | No / Yes | 505.00 GBP | In stock | | 20 M / No | 505.00 GBP | In stock | | 20 M / Yes | 525.00 GBP | In stock | | 30 M / No | 515.00 GBP | In stock | | 30 M / Yes | 535.00 GBP | In stock | | 40 M / No | 525.00 GBP | In stock | | 40 M / Yes | 545.00 GBP | In stock | | 50 M / No | 535.00 GBP | In stock | | 50 M / Yes | 555.00 GBP | In stock | ## Images - Calls - 500m2 (Vivo/Sercomtel) Cell Phone Signal Booster - Calls - 500m2 (Vivo/Sercomtel) Cell Phone Signal Booster - Calls - 500m2 (Vivo/Sercomtel) Cell Phone Signal Booster - Calls - 500m2 (Vivo/Sercomtel) Cell Phone Signal Booster - Calls - 500m2 (Vivo/Sercomtel) Cell Phone Signal Booster - Calls - 500m2 (Vivo/Sercomtel) Cell Phone Signal Booster - Calls - 500m2 (Vivo/Sercomtel) Cell Phone Signal Booster - Calls - 500m2 (Vivo/Sercomtel) Cell Phone Signal Booster --- > Source: [B4U](https://www.ukmobilebooster.com/products/br-td500-mobile-booster) > Updated: 2026-09-02