# Calls - Car Vehicle Caravan (E-Plus/O2/Telekom/Vodafone) Mobile Signal Booster

##### **Compact Design**

  

The Calls Mobile Signal Booster boasts a compact and sleek design, comparable to the size of a cigarette box, making it portable and perfect for use in vehicles, caravans, and small spaces. Easily carry it anywhere you go without any hassle.  
![Car Vehicle Mobile Phone Signal Booster Improve Signal Feature](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Car-Signal-Booster-Feature1.webp?v=1780294389)

##### **User-Friendly Operation**

  

Enjoy effortless connectivity with our easy-to-use signal booster. No complex installations are required; simply set it up in minutes and experience improved mobile signal strength in your vehicle, ensuring you stay connected without any frustration.  
![Car Vehicle Mobile Phone Signal Booster Improve Signal Feature](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Car-Signal-Booster-Feature2.webp?v=1780294389)

##### **Adaptive Signal Control**

  

Adaptive gain control optimizes the booster’s performance based on the environmental signal strength, ensuring you receive the best possible cellular reception consistently, whether you're on a busy highway or in rural areas.  
![Car Vehicle Mobile Phone Signal Booster Improve Signal Feature](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Car-Signal-Booster-Feature3.webp?v=1780294389)

##### **Versatile Power Options**

  

Flexibility is key! The booster can operate with various power adapters—whether at home, in your car, or using mobile power banks. Stay powered up and connected wherever you are.  
![Car Vehicle Mobile Phone Signal Booster Improve Signal Feature](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Car-Signal-Booster-Feature4.webp?v=1780294389)

##### **Safety and Low Radiation**

  

Concerned about mobile radiation? This booster enhances signal strength without increasing your phone's radiation intensity, providing a safer communication environment for you and your passengers.  
![Car Vehicle Mobile Phone Signal Booster Improve Signal Feature](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Car-Signal-Booster-Feature5.webp?v=1780294389)

##### **Eco-Friendly and Convenient**

  

Designed with sustainability in mind, this device can be easily unplugged when not in use, eliminating unnecessary power consumption and reducing radiation during idle times, making it environmentally friendly.  
![Car Vehicle Mobile Phone Signal Booster Improve Signal Feature](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Car-Signal-Booster-Feature6.webp?v=1780294389)

## **3 Steps to Full Bars**

## 1\. Place the Outdoor Antenna

Mount the antenna where you get the best signal.  
![Car Vehicle Mobile Phone Signal Booster Improve Signal Install](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Car-Signal-Booster-Install1.webp?v=1780294387)  
  

## 2\. Connect the Booster Inside

Plug in the booster and connect to the antenna.  
![Car Vehicle Mobile Phone Signal Booster Improve Signal Install](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Car-Signal-Booster-Install2.webp?v=1780294387)  
  

## 3\. Enjoy Full Bars Everywhere

Clear calls, fast data, and no more dead zones.  
![Car Vehicle Mobile Phone Signal Booster Improve Signal Install](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Car-Signal-Booster-Install3.webp?v=1780294387)  
  

## mobile signal booster car signal booster E-Plus booster O2 signal amplifier Telekom signal enhancement Vodafone signal booster vehicle coverage Germany mobile signal

It boost **Calls** signal on 900MHz frequency, the frequency used in **Germany** used by mobile networks to deliver their mobile services: 2G (also known as GSM). It can boost all networks on E-Plus, O2, Telekom, Vodafone, Aldi Talk, Ay yildiz, Blau, Blauworld, NettoKOM, Ortel, WhatsApp SIM etc ALL operators for improving **Voice Calls & Text** signal.

* * *

**Clear Voice**  
No Miss Important Calls

**Send/Receive SMS**  
SMS Text Messages Quickly

**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 signal booster car signal booster E-Plus booster O2 signal amplifier Telekom signal enhancement Vodafone signal booster vehicle coverage Germany mobile signal 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 signal booster car signal booster E-Plus booster O2 signal amplifier Telekom signal enhancement Vodafone signal booster vehicle coverage Germany mobile signal 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 signal booster car signal booster E-Plus booster O2 signal amplifier Telekom signal enhancement Vodafone signal booster vehicle coverage Germany mobile signal for car vehicle 01](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageCV01.webp?v=1600636899)  
![mobile signal booster car signal booster E-Plus booster O2 signal amplifier Telekom signal enhancement Vodafone signal booster vehicle coverage Germany mobile signal for car vehicle 02](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageCV02.webp?v=1600636900)

* * *

### Specification

Application & Bands

Car, Vehicle Voice Calls (Band 8)

Country

Germany

**Boost All On**

E-Plus (2G)  
O2 (2G)  
Telekom (2G)  
Vodafone (2G)  
Aldi Talk (2G)  
Ay yildiz (2G)  
Blau (2G)  
Blauworld (2G)  
Callmobile (2G)  
Congstar (2G)  
Debitel Light (2G)  
Edeka Mobil (2G)  
ExpressMobil (2G)  
Fonic (2G)  
Fyve (2G)  
Hellomobil (2G)  
HTP mobil (2G)  
Ja Mobil (2G)  
Kabel Deutschland (2G)  
Klarmobil Mobile (2G)  
Lebara Mobile (2G)  
Lidl Connect (2G)  
Lycamobile (2G)  
MobilCom-Debitel (2G)  
NettoKOM (2G)  
NetzClub (2G)  
Ortel Mobile (2G)  
Otelo (2G)  
Penny Mobil (2G)  
WhatsApp SIM (2G)

Users Supporting

10 Simultaneously

Band

Single Band 8

Frequency

900MHz

Gain(dB)

Uplink 45±2; Downlink 40±2

Up-link

890~915 MHz

Down-link

935~960 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, 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 E-Plus booster O2 signal amplifier Telekom signal enhancement Vodafone signal booster vehicle coverage Germany mobile signal 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 E-Plus booster O2 signal amplifier Telekom signal enhancement Vodafone signal booster vehicle coverage Germany mobile signal 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 E-Plus booster O2 signal amplifier Telekom signal enhancement Vodafone signal booster vehicle coverage Germany mobile signal 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 E-Plus booster O2 signal amplifier Telekom signal enhancement Vodafone signal booster vehicle coverage Germany mobile signal 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 E-Plus booster O2 signal amplifier Telekom signal enhancement Vodafone signal booster vehicle coverage Germany mobile signal 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 E-Plus booster O2 signal amplifier Telekom signal enhancement Vodafone signal booster vehicle coverage Germany mobile signal 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 E-Plus booster O2 signal amplifier Telekom signal enhancement Vodafone signal booster vehicle coverage Germany mobile signal vehicle car truck suv van application](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/application-vehicle-van.jpg?v=1698366473)

1.  Q: What is a mobile signal booster?  
    A: A mobile signal booster is a device that helps improve your phone's signal strength. It takes the existing weak signal from outside, amplifies it, and relays it inside your car or caravan. This way, you can make calls and send texts more easily, especially in areas where reception is poor.
2.  Q: How does the mobile signal booster work?  
    A: The mobile signal booster has three key parts: an external antenna to pick up the outside signal, a booster unit that amplifies the signal, and an internal antenna that broadcasts the improved signal inside your vehicle. It's like giving your phone a helping hand to find a better connection!
3.  Q: Can I use the booster with different network providers?  
    A: Yes! This mobile signal booster works with multiple network providers in Germany, like E-Plus, O2, Telekom, and Vodafone. So, no matter which service you use, the booster should help improve your signal.
4.  Q: Is it easy to install the mobile signal booster?  
    A: Absolutely! The installation process is straightforward and doesn’t require any special tools. You simply mount the external antenna, connect it to the booster, and set up the internal antenna. Just follow the instructions provided in the manual, and you'll be good to go!
5.  Q: How many devices can connect to the booster at once?  
    A: The booster can support up to 10 devices simultaneously. This means that you and your friends or family can all enjoy better signal strength at the same time while traveling in the vehicle.
6.  Q: What frequency does the booster operate on?  
    A: This mobile signal booster primarily works on the 900 MHz frequency, which is commonly used by many mobile networks for voice calls. Make sure your mobile device also supports this frequency for the best results.
7.  Q: What if there is no signal outside?  
    A: The booster can only amplify signals that it receives from outside. If there’s no signal at all where you are, the device won’t work. It’s best to ensure that there is at least a weak signal (1-2 bars) outside your vehicle.
8.  Q: Will using a signal booster drain my phone's battery?  
    A: Using a mobile signal booster can actually help save your phone's battery. When your phone struggles to find a connection, it uses more power. With a booster, your phone can get a stronger signal more easily, which may help it use less battery overall.
9.  Q: Is the booster safe to use?  
    A: Yes, the mobile signal booster is designed to be safe. It produces low radiation levels, which means it helps reduce the radiation intensity that your phone emits while in use. It’s a helpful device that supports better phone usage without compromising safety.
10.  Q: What do I do if I have questions about the booster?  
     A: If you have any questions about your mobile signal booster, you can reach out to customer support on the website. They can provide assistance with setup, usage, or any concerns you might have.

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## Details

- **Price:** 109.99 GBP - 137.56 GBP
- **Vendor:** UKMobileBooster.com
- **Type:** Germany
- **Tags:** application vehicle, application Voice Calls, de Aldi Talk, de Ay yildiz, de Blau, de Blauworld, de Callmobile, de Congstar, de de, de Debitel Light, de E-Plus, de Edeka Mobil, de ExpressMobil, de Fonic, de Fyve, de Hellomobil, de HTP mobil, de Ja Mobil, de Kabel Deutschland, de Klarmobil, de Lebara, de Lidl Connect, de Lycamobile, de MobilCom-Debitel, de NettoKOM, de NetzClub, de O2, de Ortel, de Otelo, de Penny Mobil, de Telekom, de Vodafone, de WhatsApp SIM, has_stock_countdown, provider Aldi Talk, provider Ay yildiz, provider Blau, provider Blauworld, provider Callmobile, provider Congstar, provider Debitel Light, provider E-Plus, provider Edeka Mobil, provider ExpressMobil, provider Fonic, provider Fyve, provider Hellomobil, provider HTP mobil, provider Ja Mobil, provider Kabel Deutschland, provider Klarmobil, provider Lebara, provider Lidl Connect, provider Lycamobile, provider MobilCom-Debitel, provider NettoKOM, provider NetzClub, provider O2, provider Ortel, provider Otelo, provider Penny Mobil, provider Telekom, provider Vodafone, provider WhatsApp SIM

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| No | 109.99 GBP | In stock |
| Yes | 137.56 GBP | In stock |

## Images

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> Source: [B4U](https://www.ukmobilebooster.com/products/de-cvg-mobile-booster)
> Updated: 2026-09-02
