# 4G LTE & Calls - Car Vehicle Caravan (Heyah/Nju Mobile) Mobile Phone Signal Booster

##### **Compact Design**

  

The mobile phone booster features a sleek and compact design, similar to a cigarette box, making it easy to carry and install in various small spaces. This portable solution ensures enhanced signal coverage without taking up much room in your vehicle.

##### **User-Friendly Installation**

  

Say goodbye to complicated setups! This booster is designed for hassle-free installation, allowing you to experience enhanced signal strength with minimal effort. Just plug it in, and you're ready to improve your mobile connectivity!

##### **Smart Automatic Gain Control**

  

The booster features an intelligent automatic gain control system that adjusts based on external signal strength. This ensures optimal performance, allowing you to enjoy uninterrupted calls and high-speed data even in areas with weak signals.

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

  

Flexibility is key with this booster. Choose from various power adapters, including a 220VAC adapter for home use, mobile power for on-the-go, or a vehicle power adapter. Stay connected wherever you are with this adaptable device!

##### **Reduced Radiation Exposure**

  

Enhance your signal while protecting yourself! By improving signal coverage, this booster reduces the radiation intensity of your mobile phone. Enjoy clearer calls without compromising your health and safety.

##### **Environmentally Friendly Design**

  

When not in use, simply unplug the booster to eliminate any radiation. Its eco-conscious design allows you to enjoy mobile connectivity while being mindful of your health and the environment.

It boost **4G LTE and Calls** signal on 900MHz, 1800MHz frequencies, the frequencies used in **Poland** 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 Heyah and Nju mobile carrier **Voice Calls, Text and 4G LTE** signal. It also boost T-Mobile, Orange, Play, Plus, Heyah etc ALL mobile carrier networks (except Aero2) for improving **Voice Calls & Text** 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

Poland

**Boost All On**

T-Mobile (2G)  
Orange (2G)  
Play (2G)  
Plus (2G)  
Heyah (4G & 2G)  
Klucz Mobile (2G)  
Lycamobile (2G)  
Nju Mobile (4G & 2G)  
RedBull Mobile (2G)  
Virgin Mobile (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 does a mobile signal booster do? - A mobile signal booster improves the quality of your mobile phone signal. It helps you make clearer calls, send texts faster, and enjoy better internet speeds, especially when you're in places where the signal is weak. Think of it like a megaphone for your phone—it helps your phone hear better!
2.  Which mobile networks does this booster work with? - This booster works with many mobile networks including T-Mobile, Orange, Play, Plus, Heyah, and Nju Mobile. It helps improve voice calls and text messages for these networks, making sure everyone in your family can communicate without trouble.
3.  Can I use this booster if I don't have 4G signal outside? - Yes! Even if you don't have 4G signal outside, you can still make voice calls and send texts with this booster. It’s like having a lifeline when you're in a weak signal area!
4.  How do I know if my phone supports 4G calling? - Check if your phone supports 4G Calling by dialing \*3001#12345#\*, then press the call button. Look for 'Serving Cell Info' and find 'Freq Band Indicator'. If you see Band 8 or Band 3, your phone is good to go!
5.  Is the installation process complicated? - Not at all! This mobile signal booster is designed to be easy to install. You just follow the simple steps in the manual, and you can have it set up in no time. Think of it as a fun little DIY project!
6.  How many devices can the booster support at once? - This booster can support up to 15 devices at the same time. So, everyone in your family can enjoy better signal and connection without waiting for their turn.
7.  What happens if there's no signal outside? - If there's no signal outside, the booster won't be able to work because it can't create a signal on its own. It's important to have some signal from your mobile network provider for the booster to amplify.
8.  Can the signal booster improve internet speed? - Yes! The booster helps improve 4G LTE internet speeds, so you can enjoy faster uploads and downloads. This means less waiting and more watching your favorite videos or browsing the web!
9.  Is it safe to use a mobile signal booster? - Absolutely! This mobile signal booster is designed to be safe, with low radiation levels. It even helps reduce the radiation coming from your phone while you use it, which is a nice bonus for your health!
10.  What is included in the booster kit? - The kit comes with everything you need to get started: the signal booster itself, an external aerial, cables, and a power adapter. It's all included so you won't have to buy anything extra for installation.

TAGES: 4G LTE booster, mobile signal amplifier, Heyah mobile coverage, Nju Mobile signal enhancement, dual band signal booster, voice call clarity, vehicle signal improvement, GSM network compatibility

## Details

- **Price:** 259.99 GBP - 287.56 GBP
- **Vendor:** UKMobileBooster.com
- **Type:** Poland
- **Tags:** application 4G LTE Data & Voice Calls, application vehicle, has_stock_countdown, pl Heyah, pl Nju, pl pl, provider Heyah, provider Nju Mobile

## Variants

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

## Images

- 4G LTE & Calls - Car Vehicle Caravan (Heyah/Nju Mobile) Mobile Phone 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

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