Calls - Car Vehicle Caravan (Gtel Gmobile) Mobile Signal Booster
Convenient Design
The Gtel Gmobile Mobile Signal Booster boasts a compact design, similar in size to a cigarette box, making it highly portable. Its sleek appearance and lightweight nature allow for easy transport and convenient placement within a variety of small spaces, ensuring you can enjoy improved cell signal wherever you go.
Simple Installation
Designed with user-friendliness in mind, this signal booster requires no complicated setup processes. Just plug it in, and you're ready to enhance your mobile signal without any technical expertise. Enjoy seamless connectivity in minutes!
Smart Signal Management
Equipped with automatic gain control, this booster intelligently adjusts itself based on the external signal strength. This means you’ll benefit from optimal signal enhancement without the need for manual adjustments, making it perfectly reliable for voice calls and texts.
Versatile Power Options
The Gtel Gmobile booster provides flexibility with various power adapter options. Whether you’re using a standard 220VAC adapter, mobile power supply, or a vehicle power adapter, you have the versatility to keep your signal strong on the go.
Health-Conscious Technology
By providing enhanced signal coverage, this booster reduces the radiation intensity emitted by your mobile phone. This feature makes it a safer choice for your health, proving that better connectivity doesn't have to come at a cost to well-being.
Eco-Friendly Usage
Designed with environmental protection in mind, this mobile signal booster can be easily unplugged or removed when not in use. This feature not only helps eliminate unnecessary radiation but also emphasizes a commitment to sustainability and reducing energy consumption.
It boost Calls signal on 1800MHz frequency, the frequency used in Vietnam used by mobile networks to deliver their mobile services: 2G (also known as GSM). It work on 1800Mhz (Band 3) frequency for improving Gtel Gmobile mobile carrier networks Voice Calls & Text signal.
No Miss Important Calls
SMS Text Messages Quickly
Vehicle Signal Booster
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.

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.


Specification
Application & Bands | [Car, Vehicle Voice Calls & Text] (Band 3) |
Country | Vietnam |
Boost All On | Gtel Gmobile (2G) |
Users Supporting | 10 Simultaneously |
Band | Single Band 3 |
Frequency | 1800MHz |
Gain(dB) | Uplink 10; Downlink 10 |
Up-link | 1710~1785 MHz |
Down-link | 1805~1880 MHz |
Export Power(Po) | ≥27dBm |
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 |
How It Works

1
The powerful antenna reaches out to access a voice and 3G, 4G, and LTE data signal, and delivers it to the booster
2
The booster receives the signal, amplifies it, and serves as a relay between your phone and the nearest cell tower.
3
Your devices get increased cell reception, and calls and data are fed through the booster back to the network.
- Outside Antenna: Pulls in tower Signal.
- Signal Booster: Amplifies the Signal.
- Inside Antenna: Re-broadcasts Signal.
- Mobile Phone: Gets Boosted Signal.

Installation
- Mount external aerial on top back.
- Install the booster and interior antenna.
- 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.

Application Scenarios




- What does a mobile signal booster do? - A mobile signal booster helps to make your phone's connection stronger. If you're in an area where your phone doesn’t get good signal, the booster catches the weak outside signal and makes it better inside your car or vehicle, so you can make calls and send texts more easily.
- Can a signal booster create a signal? - No, a signal booster can't create a signal. It can only make the weak signals stronger. So, if there's no signal outside, the booster won't help you.
- How do I check what frequency my phone uses? - You can check your phone’s frequency by dialing *3001#12345#* on your iPhone and pressing Call. Then, look for 'Serving Cell Info' and check 'Freq Band Indicator' to see if it shows Band 3.
- Is it easy to install the signal booster? - Yes, installing the signal booster is simple! The kit includes everything you need, like the external aerial, cables, and instructions that are easy to follow.
- How many devices can use one booster? - The mobile signal booster can support up to 10 devices at the same time. That means you and your friends can all enjoy better signal when you’re together in the vehicle.
- What is the range of the signal booster? - The booster helps improve your signal while you’re inside your car. It can work well as long as there is some outside signal, but the distance of improvement depends on how strong that outside signal is.
- Does the booster cause radiation? - No, using a signal booster can actually help reduce the radiation from your mobile phone. With a good signal, your phone doesn’t have to work as hard, which lowers the radiation it produces.
- Can I use the booster anywhere? - This mobile signal booster is designed for use in vehicles. It works well in cars, trucks, and caravans, but not for homes or other buildings.
- What happens if I don't need the booster anymore? - You can easily disconnect the booster if you don’t need it. It is designed to be portable, so you can remove it whenever you want!
- Is it safe for children and the elderly to use mobile signal boosters? - Yes! Mobile signal boosters are safe for everyone, including children and the elderly. They help improve the phone signal without causing harm.
