# 4G LTE & Calls - Car Vehicle Caravan (VNPT Vinaphone) Mobile Signal Booster ##### **Compact Design** The booster boasts a compact design, comparable in size to a cigarette box, making it easy to handle and transport. Perfect for enhancing signal coverage in tight spaces, this sleek device is your optimal travel companion. ##### **User-Friendly Setup** Installation is a breeze with this booster! No complex processes are required, allowing you to enhance your mobile signals without any hassle. Simply set it up and enjoy clearer calls and faster internet. ##### **Smart Signal Adjustment** Featuring advanced automatic gain control, this booster adapts based on the external signal strength. Experience seamless connectivity as it intelligently optimizes signal levels for the best mobile performance. ##### **Versatile Power Options** With several power adapter options, including 220V AC, mobile power, and vehicle power adapters, you can always stay connected wherever you go. Flexibility is key to ensuring uninterrupted signal access. ##### **Radiation Reduction** Enjoy better signal coverage while significantly reducing radiation emitted by your mobile phone. This booster improves your connectivity experience without compromising your health or safety. ##### **Eco-Friendly Operation** Unplug and remove the device when not in use to eliminate unnecessary radiation. This environmentally conscious approach ensures functionality without harming the planet or your health. It boost **4G LTE and Calls** signal on 900MHz, 1800MHz frequencies, the frequencies used in **Vietnam** 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 VNPT Vinaphone mobile carrier **Voice Calls, Text and 4G LTE** signal. It also boost Viettel Mobile, MobiFone, Vietnamobile and Gmobile mobile carrier for improving **Voice Calls and Texts** 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**. 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** Vehicle Signal Improved **4G/LTE Internet** Faster Uploads & Downloads * * * ### Upgrade External Aerial External fishtail aerial connects via 3 meter coax lead to the signal booster unit which is located inside the car. The aerial with **Three** magnets, its more stable. ![mobile phone signal booster for car vehicle Upgrade External Aerial of fishtail aerial bottom](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageFishtailAerialUpgradedBottom.webp?v=1600636900) ![mobile phone signal booster for car vehicle Upgrade External Aerial of fishtail aerial](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageFishtailAerial.webp?v=1600636899) * * * ### Features **1\. Convenient**\--- small beautiful appearance (cigarette box size), easy to carry, suitable for a variety of small space signal coverage. **2\. Easy to use**\--- needs no complicated installation. **3\. Open**\--- according to the external signal strength, automatic gain control ensure the signal. **4\. Flexible**\---- can choose different power adapters, such as 220VAC adapter, mobile power, vehicle power adapter etc. **5\. Low radiation**\--- a good signal coverage can reduce the radiation intensity of the mobile phone itself, effectively reduce the mobile phone radiation may harm the human body. **6\. Environmental protection**\--- when you do not need to use the telephone or the Internet, can be removed at any time or unplug the power, elimination of radiation. ![mobile phone signal booster for car vehicle 01](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageCV01.webp?v=1600636899) ![mobile phone signal booster for car vehicle 02](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageCV02.webp?v=1600636900) * * * ### Specification Application & Bands \[Car, Vehicle 4G/LTE & Calls\] (Band 8, 3) Country Vietnam **Boost All On** Viettel Mobile (2G) MobiFone (2G) VNPT Vinaphone (4G & 2G) Vietnamobile (2G) Gmobile (2G) Users Supporting 15 Simultaneously Band Dual Band 8 & 3 Frequency 900 & 1800MHz Gain(dB) Uplink 45±2; Downlink 40±2 Up-link 890~915 MHz; 1710~1785 MHz Down-link 935~960 MHz; 1805~1880 MHz Export Power(Po) Uplink 10; Downlink 10 Power Adapter 5V DC Kit Includes 1 x Car Signal Booster/Amplifier 1 x External Magnetic-Mount Aerial 1 x 5V DC Car Power Adapter 1 x Easy to Follow Installation Manual **Warming Tips:** - Band Confirmation: This booster can boost signals on Band 8, 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. ### **How It Works** ![how Mobile Signal Booster, Car Signal Booster, O2 Vodafone Giffgaff, UK Mobile Network, Voice Calls Amplifier, Vehicle Signal Improvement, 900MHz Frequency Booster, External Aerial Installation work for Car Vehicle](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageHIWcar-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. 1. Outside Antenna: Pulls in tower Signal. 2. Signal Booster: Amplifies the Signal. 3. Inside Antenna: Re-broadcasts Signal. 4. Mobile Phone: Gets Boosted Signal. ![how Mobile Signal Booster, Car Signal Booster, O2 Vodafone Giffgaff, UK Mobile Network, Voice Calls Amplifier, Vehicle Signal Improvement, 900MHz Frequency Booster, External Aerial Installation work for Car Vehicle](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPagehowitworksvehicles.webp?v=1600636900) #### **Installation** 1. Mount external aerial on top back. 2. Install the booster and interior antenna. 3. External aerial connect to "BS" on the booster, and interior antenna connect to "MS". **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) ![how Mobile Signal Booster, Car Signal Booster, O2 Vodafone Giffgaff, UK Mobile Network, Voice Calls Amplifier, Vehicle Signal Improvement, 900MHz Frequency Booster, External Aerial Installation work for Car Vehicle](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageCarVehicle02.webp?v=1600636900) ### **Application Scenarios** ![Mobile Signal Booster, Car Signal Booster, O2 Vodafone Giffgaff, UK Mobile Network, Voice Calls Amplifier, Vehicle Signal Improvement, 900MHz Frequency Booster, External Aerial Installation vehicle car truck suv van application](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/application-vehicle-car.jpg?v=1698366474) ![Mobile Signal Booster, Car Signal Booster, O2 Vodafone Giffgaff, UK Mobile Network, Voice Calls Amplifier, Vehicle Signal Improvement, 900MHz Frequency Booster, External Aerial Installation vehicle car truck suv van application](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/application-vehicle-truck.jpg?v=1698366474) ![Mobile Signal Booster, Car Signal Booster, O2 Vodafone Giffgaff, UK Mobile Network, Voice Calls Amplifier, Vehicle Signal Improvement, 900MHz Frequency Booster, External Aerial Installation vehicle car truck suv van application](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/application-vehicle-suv.jpg?v=1698366473) ![Mobile Signal Booster, Car Signal Booster, O2 Vodafone Giffgaff, UK Mobile Network, Voice Calls Amplifier, Vehicle Signal Improvement, 900MHz Frequency Booster, External Aerial Installation vehicle car truck suv van application](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/application-vehicle-van.jpg?v=1698366473) 1. What is a 4G LTE and Calls Booster? - A 4G LTE and Calls Booster is a device that helps improve the mobile phone signal in your vehicle. It strengthens the signals for voice calls, text messages, and internet connectivity, allowing you to stay connected without interruptions, even in areas where signal strength is weak. 2. Which mobile networks does this booster work with? - This booster works with various mobile networks in Vietnam, including VNPT Vinaphone, Viettel, MobiFone, Vietnamobile, and Gmobile. It enhances signals for voice calls and text messages across different networks, making it perfect for families with different carriers. 3. How do I check if my phone supports 4G Calling? - To check if your phone supports 4G Calling, you can dial \*3001#12345# and press the call button. This will show you the 'Serving Cell Info,' where you can find the 'Freq Band Indicator.' Alternatively, apps like 'CellMapper' or 'Network Signal Info Pro' can help you check this information. 4. Can this booster create a signal if there's none outside? - No, the booster cannot create a signal. It can only amplify an existing signal. If there is no signal outside, the booster will not work. It's essential to have at least a weak signal for the booster to enhance it. 5. Is the installation of the booster complicated? - No, the installation of the booster is straightforward and does not require any complicated steps. The kit comes with all the necessary items and an easy-to-follow manual, making it accessible for anyone to set it up. 6. How many devices can use the booster simultaneously? - The booster can support up to 15 devices simultaneously, which is great for families or friends traveling together in a vehicle. Everyone can enjoy improved calls and internet connectivity at the same time! 7. What are the benefits of using this booster? - Using this booster improves voice clarity, reduces dropped calls, allows for quick text messaging, provides a reliable 4G/LTE internet connection, and ensures wider signal coverage, making your time on the road more enjoyable and connected. 8. What power options does the booster support? - The booster is flexible regarding power sources. It can use a standard 220VAC adapter for home use, a mobile power bank, or a car power adapter, allowing you to use it wherever you are. 9. Does using the booster help with phone radiation? - Yes, by providing a stronger signal, the booster helps reduce the intensity of radiation from your mobile phone. This can be beneficial for your health, especially if you spend long periods on calls or using your phone. 10. Can I remove the booster when I don't need it? - Absolutely! The booster can be easily unplugged or removed whenever you don't need to use your phone or the internet, helping to eliminate unnecessary radiation when it's not in use. TAGES: 4G LTE, mobile signal booster, VNPT Vinaphone, car signal amplifier, voice calls, dual band booster, mobile network improvement, Vietnam mobile services ## Details - **Price:** 259.99 GBP - 287.56 GBP - **Vendor:** UKMobileBooster.com - **Type:** Vietnam - **Tags:** application 4G LTE Data & Voice Calls, application vehicle, has_stock_countdown, provider VNPT (VinaPhone), vn vn ## Variants | Variant | Price | Available | |---------|-------|-----------| | No | 259.99 GBP | In stock | | Yes | 287.56 GBP | In stock | ## Images - 4G LTE & Calls - Car Vehicle Caravan (VNPT Vinaphone) Mobile Signal Booster - Car Vehicle Mobile Signal Booster Aerial - Mobile Signal Booster Package - Car Vehicle Mobile Signal Booster How It Works - Car Vehicle Mobile Signal Booster Best Installation - Car Vehicle Mobile Signal Booster - Car Vehicle Mobile Signal Booster --- > Source: [B4U](https://www.ukmobilebooster.com/products/vn-cvgd-mobile-booster) > Updated: 2026-09-02