# 4G LTE & Calls - 250m2 (Zain/Viva) Mobile Phone Signal Booster ##### **4G LTE & Calls Support** Experience superior connectivity with enhanced 4G LTE and voice calls on 900MHz and 1800MHz frequencies. This booster supports Zain and Viva networks, ensuring smooth voice calls, rapid text messaging, and uninterrupted data access—perfect for both work and play. ##### **Wide Coverage Area** Transform your indoor space with an impressive coverage of up to 250 m². Ideal for homes, cafes, restaurants, bars, and clubs, this mobile phone signal booster ensures that everyone stays connected, without dropouts or delays. ##### **Dual Band Advantage** Never worry about network compatibility again! This dual-band booster works on both Band 8 (900MHz) and Band 3 (1800MHz), providing simultaneous support for multiple networks, making it a must-have for households with diverse mobile service providers. ##### **Easy Installation Kit** Get everything you need for installation in one convenient package. The kit comes complete with an external aerial, cables, booster unit, internal aerial, and power adapter—all designed for simple DIY setup to enhance your signal quickly. ##### **Reliable Voice & Data Connection** Ensure crystal-clear calls and consistent 4G/LTE data. This booster eliminates dropped calls and enhances both your upload and download speeds, making it easy to stay in touch with loved ones or work efficiently without interruption. ##### **Upgrade Options Available** Customize your booster experience! Choose from upgraded external cables, higher-gain antennas for better performance, or lightning surge protectors to safeguard your equipment—tailor your setup for optimal results based on your specific needs. It boost **4G LTE and Calls** signal on 900MHz, 1800MHz frequencies, the frequencies used in **Kuwait** used by mobile networks to deliver their mobile services: 2G (also known as GSM) and 4G. It work on both 900Mhz (Band 8) & 1800Mhz (Band 3) frequencies for improving Zain and Viva mobile carrier networks **Voice Calls, Text and 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 and text**. It is the best suitable for medium size, boost indoor signal areas up to **250 m2**, perfect for home, cafes, restaurants, pubs, clubs and more. This system is compatible with all GSM mobile phone networks, will provide coverage on both 900MHz, 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/4G Calls** Eliminates Dropped Calls **Send/Receive SMS** SMS Text Messages Quickly **Consistent Connection** Reliable 4G/LTE Data **Signal Wider Coverage** Reception Up to 250 sq.m. **4G/LTE Internet** Faster Uploads & Downloads * * * ### 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 \[4G/LTE & Calls\] (Band 8, 3) Country Kuwait **Boost All On** Zain (4G & 2G) Viva (4G & 2G) Users Supporting 25 Simultaneously Band Dual Band 8 & 3 Frequency 900 & 1800MHz Gain(dB) Uplink Gp≥50; Downlink Gp≥55 Up-link 890~915 MHz; 1710~1785 MHz Down-link 935~960 MHz; 1805~1880 MHz Export Power(Po) \-70~-40 dBm/FA(1.23MHz) 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, or Bnad 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 Mobile Phone Signal Booster? - A mobile phone signal booster is a device that helps improve weak mobile phone signals inside buildings. It amplifies the existing signal to provide better call quality and faster internet speeds. This is especially useful in areas where the mobile signal is weak or unreliable. 2. How does the 4G LTE & Calls Booster work? - The 4G LTE & Calls booster works by capturing the weak signal from outside, amplifying it, and then sending it inside your home or business. This means you can enjoy better voice calls, faster data speeds, and a stronger overall connection, especially in places where the signal is poor. 3. Is the booster easy to install? - Yes! The booster kit comes with everything you need for installation, including antennas and cables. You can set it up yourself without needing professional help. All you need to do is follow the instructions in the guide included with the kit. 4. Which frequencies does the booster support? - This booster supports two frequency bands: 900MHz and 1800MHz. These are commonly used by mobile networks in Kuwait, allowing it to enhance services from Zain and Viva for both calls and internet browsing. 5. Can I use the booster for any mobile phone network? - Yes, the 4G LTE & Calls booster is compatible with all GSM mobile phone networks. It can support multiple users at once, making it perfect for families or businesses with different network providers. 6. What happens if there is no signal outside? - The booster can only amplify existing signals, so if there is no signal detected outside, it will not work. You need to have at least a weak outdoor signal for the booster to help improve your indoor connection. 7. Can I upgrade my booster system? - Yes! You can upgrade parts of the booster system, such as the external cables or antennas, for better performance. If you have a weak signal indoors, higher gain options are available to help improve your connection. 8. How many users can use the booster at the same time? - The 4G LTE & Calls booster can support up to 25 users simultaneously. This makes it a great option for households, cafes, restaurants, and other spaces where multiple people need to use their mobile phones at the same time. 9. Does the booster improve call clarity? - Yes, one of the benefits of using the 4G LTE & Calls booster is clearer voice calls. It reduces dropped calls and enhances your overall calling experience, especially if your phone supports 4G calling. 10. What is the coverage area of this booster? - The booster covers an area of up to 250 square meters. This makes it ideal for medium-sized spaces like homes, cafes, and offices, ensuring that everyone inside can enjoy better mobile signal strength. TAGES: 4G LTE booster, mobile phone signal booster, Kuwait mobile network, Zain Viva signal improvement, dual band booster, indoor signal enhancement, VoLTE voice calls, GSM signal amplifier ## Details - **Price:** 235.0 GBP - 355.0 GBP - **Vendor:** UKMobileBooster.com - **Type:** Kuwait - **Tags:** application 4G LTE Data & Voice Calls, coverage up to 250 sq metres, has_stock_countdown, kw kw, provider Viva, provider Zain ## Variants | Variant | Price | Available | |---------|-------|-----------| | No / No / No | 235.00 GBP | In stock | | No / No / Yes | 255.00 GBP | In stock | | No / Yes / No | 285.00 GBP | In stock | | No / Yes / Yes | 305.00 GBP | In stock | | 20 M / No / No | 255.00 GBP | In stock | | 20 M / No / Yes | 275.00 GBP | In stock | | 20 M / Yes / No | 305.00 GBP | In stock | | 20 M / Yes / Yes | 325.00 GBP | In stock | | 30 M / No / No | 265.00 GBP | In stock | | 30 M / No / Yes | 285.00 GBP | In stock | | 30 M / Yes / No | 315.00 GBP | In stock | | 30 M / Yes / Yes | 335.00 GBP | In stock | | 40 M / No / No | 275.00 GBP | In stock | | 40 M / No / Yes | 295.00 GBP | In stock | | 40 M / Yes / No | 325.00 GBP | In stock | | 40 M / Yes / Yes | 345.00 GBP | In stock | | 50 M / No / No | 285.00 GBP | In stock | | 50 M / No / Yes | 305.00 GBP | In stock | | 50 M / Yes / No | 335.00 GBP | In stock | | 50 M / Yes / Yes | 355.00 GBP | In stock | ## Images - 4G LTE & Calls - 250m2 (Zain/Viva) Mobile Phone Signal Booster - 4G LTE & Calls - 250m2 (Zain/Viva) Mobile Phone Signal Booster - 4G LTE & Calls - 250m2 (Zain/Viva) Mobile Phone Signal Booster - 4G LTE & Calls - 250m2 (Zain/Viva) Mobile Phone Signal Booster - 4G LTE & Calls - 250m2 (Zain/Viva) Mobile Phone Signal Booster - 4G LTE & Calls - 250m2 (Zain/Viva) Mobile Phone Signal Booster - 4G LTE & Calls - 250m2 (Zain/Viva) Mobile Phone Signal Booster - 4G LTE & Calls - 250m2 (Zain/Viva) Mobile Phone Signal Booster - 4G LTE & Calls - 250m2 (Zain/Viva) Mobile Phone Signal Booster - 4G LTE & Calls - 250m2 (Zain/Viva) Mobile Phone Signal Booster --- > Source: [B4U](https://www.ukmobilebooster.com/products/kw-gd250-mobile-booster) > Updated: 2026-09-02