# 4G LTE & Calls - Car Vehicle Caravan (Vodafone/T-Mobile/Mobil CZ/Kaktus/O2 /PrimeTel) Mobile Signal Booster

##### **Superior Dual Band Boosting**

  

Experience exceptional mobile connectivity with our Dual Band booster, designed to amplify 4G/LTE signals across both 800MHz and 1800MHz frequencies. Perfect for users of Vodafone, T-Mobile, Mobil CZ, and Kaktus, this essential device ensures that everyone in your vehicle can enjoy reliable calls and data, no matter their carrier.

##### **Clear Voice Calls**

  

Say goodbye to dropped calls and unclear conversations. Our signal booster enables crystal-clear voice calls over 4G networks, allowing you to communicate effortlessly and without interruptions—perfect for important discussions while on the road.

##### **Quick SMS Delivery**

  

Stay connected with fast SMS text message delivery. With our booster enhancing your signal, you can send and receive messages quickly, ensuring that important updates or notifications never get missed, even in challenging signal areas.

##### **Wider Coverage Area**

  

Transform your vehicle into a mobile hub with improved signal coverage. Our product enhances 4G/LTE connectivity, allowing multiple devices to remain connected and efficient, whether you're commuting or embarking on a road trip.

##### **All-In-One Easy Installation**

  

Say goodbye to complicated setups. Our kit comes complete with all necessary peripherals, including an external aerial and internal booster unit, delivering everything you need for a seamless installation in one convenient package.

##### **Compact & Portable Design**

  

Enjoy the lightweight and compact design of our signal booster, comparable in size to a cigarette pack. This portability means you can easily store and transport it, making it perfect for various vehicles and travel situations.

It boost **All 4G/LTE and Calls** signal on 800MHz, 1800MHz frequency, the frequencies used in **Czech Republic** used by mobile networks to deliver their mobile services: 4G and 2G (also known as GSM). It work on both 800Mhz (Band 20) & 1800Mhz (Band 3) frequencies for improving Vodafone, T-Mobile, Mobil CZ, Kaktus, O2, PrimeTel mobile carrier networks **4G/LTE and Voice Calls** 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.

The system is designed for universal 4G coverage. Unlike other kits this device will boost ALL mobile providers' 4G LTE, the solution will provide coverage on on both 800MHz, 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!

* * *

**Wow 4G/2G Calls**  
Eliminates Dropped Calls  
**Clear Voice**  
No Miss Important Calls

**Consistent Connection**  
Reliable 4G/LTE Data  
**Send/Receive SMS**  
SMS Text Messages Quickly

**4G/LTE 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)

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### Specification

Application & Bands

\[Car, Vehicle 4G/LTE & Voice Calls\] (Band 20, 3)

Country

Czech Republic

**Boost All On**

Vodafone (2G & 4G)  
T-Mobile (2G & 4G)  
Mobil CZ (2G & 4G)  
Kaktus (2G & 4G)  
O2 (2G & 4G)  
PrimeTel (2G & 4G)  
Coop Mobil (2G)  
Tesco Mobil (2G)  
OpenCall Mobile (2G)  
Sazka Mobil (2G)

Users Supporting

15 Simultaneously

Band

Dual Band 20 & 3

Frequency

800MHz & 1800MHz

Gain(dB)

Uplink Gp≥45; Downlink Gp≥50

Up-link

832~862 MHz; 1710~1785 MHz

Down-link

791~821 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 20, 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 signal booster and how does it work? - A signal booster is a device that helps improve mobile phone signals by amplifying weak signals. It takes the existing signal from outside, increases its strength, and then sends it to your phone inside your vehicle or home. This can lead to clearer voice calls, better internet speed, and fewer dropped calls.
2.  Which mobile network providers does this booster support? - This signal booster works with several mobile network providers in the Czech Republic, including Vodafone, T-Mobile, Mobil CZ, Kaktus, O2, and PrimeTel. It enhances both 4G/LTE connections and voice calls for these networks, making it useful for many users.
3.  Can I use this booster in my car? - Yes, this signal booster is designed specifically for vehicles! It can help improve your mobile signal while you’re on the move, ensuring you have reliable connectivity for calls and internet access.
4.  Is it difficult to install the signal booster? - Not at all! The kit comes with everything you need and includes an easy-to-follow installation manual. You don’t need any special skills or tools to set it up in your vehicle!
5.  What frequencies does the booster amplify? - The booster enhances signals on 800MHz (Band 20) and 1800MHz (Band 3) frequencies. These frequencies are commonly used by the mobile operators in the Czech Republic for 4G and 2G services.
6.  Do I need a good signal outside for the booster to work? - Yes, the signal booster can only amplify existing signals. If there is no signal outside, the booster will not be able to create one or improve connections inside your vehicle.
7.  How many users can connect to the booster at the same time? - This signal booster can support up to 15 users simultaneously. That means your family or friends can connect their devices and enjoy better signal strength together!
8.  What’s included in the installation kit? - The installation kit includes a car signal booster, an external magnetic-mount aerial, a 12V car power adapter, and an easy-to-follow manual. Everything you need to improve your signal is included!
9.  Are there any health concerns with using a signal booster? - No, this signal booster is designed with low radiation technology. By improving the signal strength, it can actually reduce the radiation exposure from your mobile phone, making it safer to use.
10.  What's the advantage of using a dual-band booster? - A dual-band booster enhances signals on two frequency bands (800MHz and 1800MHz) at the same time. This means it can provide better coverage for various mobile network providers, making it more versatile and effective for a wider range of users.

TAGES: 4G LTE signals, mobile booster Czech Republic, Vodafone signal booster, T-Mobile 4G coverage, Mobil CZ signal improvement, dual band mobile amplifier, voice calls enhancement, external aerial 4G booster

## Details

- **Price:** 259.99 GBP - 287.56 GBP
- **Vendor:** UKMobileBooster.com
- **Type:** Czech Republic
- **Tags:** application 4G LTE Data & Voice Calls, application vehicle, cz cz, has_stock_countdown, provider Kaktus, provider Mobil CZ, provider O2, provider PrimeTel, provider T-Mobile, provider Vodafone

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| No | 259.99 GBP | In stock |
| Yes | 287.56 GBP | In stock |

## Images

- 4G LTE & Calls - Car Vehicle Caravan (Vodafone/T-Mobile/Mobil CZ/Kaktus /O2 /PrimeTel) Mobile Signal Booster
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- Car Vehicle Mobile Signal Booster How It Works
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> Source: [B4U](https://www.ukmobilebooster.com/products/cz-cvcd-mobile-booster)
> Updated: 2026-09-02
