# 3G & 4G LTE - Car Vehicle Caravan (Three/Oister) Mobile Signal Booster ##### **Compact Design** The mobile signal booster boasts a sleek, compact design comparable to a cigarette box, making it easy to transport and perfect for providing signal coverage in various small spaces, including your vehicle or caravan. ##### **User-Friendly Installation** Forget complicated setups! This booster is designed for hassle-free installation, allowing you to enjoy enhanced cellular connectivity right out of the box without needing any specialized assistance. ##### **Automatic Signal Adjustment** Equipped with automatic gain control, the booster intelligently adjusts to the external signal strength, optimizing performance for uninterrupted calls and data across different mobile networks. ##### **Versatile Power Options** Enjoy flexibility with multiple power adapter choices, including 220VAC for home use, mobile power banks, or vehicle adapters, ensuring you stay connected no matter where you are. ##### **Low Radiation Levels** By improving signal coverage, the booster helps reduce the radiation intensity from your mobile phone, promoting safer communication and lessening potential harm to your health. ##### **Eco-Friendly Design** When not in use, easily disconnect the booster to eliminate any additional radiation, making it a smart, environmentally conscious choice for conscious consumers. It boost **3G and 4G LTE** signal on 1800MHz, 2100MHz frequency, the frequencies used in **Denmark** used by mobile networks to deliver their mobile services: 3G, 3.5G (also known as HSDPA provides faster data rates than 3G) and 4G LTE. It work on both 1800Mhz (Band 3) & 2100MHz (Band 1) frequencies for improving ALL mobile carrier networks **3G** signal. And improving Three (3) and Oister mobile carrier networks **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 3G**. The booster enhances cell signals is a low-cost amplifier that wireless 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' 4G LTE 1800MHz and 3G 2100MHz (Band 3/1) network signal. This system is compatible with 3G and 4G LTE mobile phone networks, will provide coverage on both 1800MHz, 2100MHz frequency **simultaneously**. It's Dual Band booster and is an **ESSENTIAL** if many people in the same household are on different mobile phone networks! **Note:** This booster improve Three and Oister mobile operators' 4G LTE signal only on Band 3 - 1800MHz frequency. For other mobile operators' 4G you can purchase it directly if you sure your phone worked on this frequency. If unsure, firstly contact your provider double check frequency 1800MHz in your area is used for 4G network, or download and install APP "Network Signal Pro". * * * **Wow 2G/3G Calls** Eliminates Dropped Calls **Clear Voice** No Miss Important Calls **Consistent Connection** Reliable 3G Data **Send/Receive SMS** SMS Text Messages Quickly **3G Internet** Faster Uploads & Downloads **Signal Wider Coverage** Vehicle Signal Improved * * * ### 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 \[Car, Vehicle 3G Data & 4G LTE Data\] (Band 3, 1) Country Denmark **Boost All On** Three (3G & 4G) TDC (3G) Telenor (3G) Telia (3G) Cbb Mobil (3G) Lebara Mobile (3G) Lycamobile (3G) Oister (3G & 4G) One Mobile (3G) Vectone Mobile (3G) Users Supporting 15 Simultaneously Band Dual Band 3 & 1 Frequency 1800MHz & 2100MHz Gain(dB) Uplink Gp≥45; Downlink Gp≥50 Up-link 1710~1785 MHz; 1930~1990 MHz Down-link 1805~1880 MHz; 2110~2180 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 3, or 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. ### **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 mobile signal booster? - A mobile signal booster is a device that makes your phone's signal stronger. It helps improve how well you can make calls and use the internet when you're in areas where the signal is weak. 2. How does the 3G & 4G LTE booster work? - The 3G & 4G LTE booster takes the weak signal outside your car and makes it stronger inside. It works on two frequencies, 1800MHz and 2100MHz, which are used by many mobile networks. This helps you have better calls and faster data. 3. Who can benefit from using this booster? - Anyone who drives a vehicle and uses mobile networks like Three or Oister can benefit from this booster. It is especially helpful for families with different phone networks in one car. 4. Is it easy to install the booster? - Yes! The booster kit comes with everything you need and is easy to install. It includes an external aerial, cables, and a manual that shows you how to set it up. 5. Can the booster work if the outside signal is weak? - No, the booster can only make a weak signal stronger, but it cannot create a signal. If there is no signal outside, it won't work inside your car. 6. How many devices can use the booster at the same time? - The booster can support up to 15 devices at the same time, so multiple people in your car can enjoy better signal quality. 7. Will the booster affect phone battery life? - Yes, by improving the signal, the booster can help your phone use less battery. When the signal is strong, your phone doesn’t have to work as hard, which can help the battery last longer. 8. What if I have a 4G-ready phone but am in a 3G area? - If your phone is ready for 4G but there’s no 4G available in your area, don’t worry! With the booster, you will still be able to use the 3G network. 9. Does this booster emit radiation? - The booster helps reduce radiation levels because it means your phone doesn’t have to work hard to find a signal, which is better for your health. 10. Can I use this booster with any mobile provider? - This booster works best with Three and Oister for 4G LTE and will improve signals for other carriers using the same frequencies. If you're unsure, check with your provider first. TAGES: 3G signal booster, 4G LTE mobile booster, Denmark mobile network, Three Oister signal enhancer, car mobile signal amplifier, dual band booster, vehicle signal improvement, improve mobile reception ## Details - **Price:** 259.99 GBP - 287.56 GBP - **Vendor:** UKMobileBooster.com - **Type:** Denmark - **Tags:** application 3G Data & 4G LTE Data, application vehicle, dk dk, dk Oister, dk Three, has_stock_countdown, provider Oister, provider Three ## Variants | Variant | Price | Available | |---------|-------|-----------| | No | 259.99 GBP | In stock | | Yes | 287.56 GBP | In stock | ## Images - 3G & 4G LTE - Car Vehicle Caravan (Three/Oister) 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/dk-cvdw-mobile-booster) > Updated: 2026-09-02