3G Signal Amplifier Nikrans LCD-1503G

Image 3G Signal Amplifier Nikrans LCD-1503G
Image 3G Signal Amplifier Nikrans LCD-1503G
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Download Datasheet

How to install mobile repeater

Indoor coverage:
1700 ft²
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  4.6/5 — 36 reviews
1 Band
Kit contents
  • Nikrans LCD-1503G booster,
  • indoor antenna,
  • outdoor antenna + 16 m cable,
  • power supply,
  • manual
Shipping (3-7 business days) to United Kingdom
Customize your order
  • 5-step pre-delivery check
  • 30-DAY return policy
  • 3-YEAR warranty & service
  • Secure payments


The 3G signal booster Nikrans LCD-1503G is created for strengthening 3G signals in areas with poor network coverage. We understand how important it is to have reliable 3G internet connection at all times. As a result, this booster supports an area covering up to 150 m2 (1600 ft2), ideal for small offices, homes, and underground cafes. This is an upgraded version of the previous Nikrans boosters as it comes with an LCD screen providing vital readings regarding installation and system data, etc. Nikrans LCD-1503G is the most reliable solution to poor 3G coverage. Here are some of the benefits that you will enjoy after buying this device from Mobile-signal-boosters:

  • LCD screen. You can see installation tips, system characteristics and other important information directly on the LCD screen. As a result, it is highly beneficial for non-technical users.
  • Energy saving mode. When the network is not in usage, the booster goes into the sleep mode, thus conserving energy. It automatically turns on once you start using your smartphone.
  • Automatic function controls. The system automatically shuts down in case of emergencies; it adjusts gain levels automatically, detects faults and provides solutions.
  • Modern and stylish design. The booster is elegantly designed with the latest fashion and technological trends.
  • Safe to use. Backed by the international health and safety certificates of CE and RoHS, it is completely safe for human use, as it does not emit any harmful radiations.

Nikrans LCD-1503G is designed specifically for amplifying 3G Internet speed and cannot be used for improving voice calls.

Get your LCD-1503G booster now and enjoy blazing 3G high speed internet connection!


Coverage: 1700 ft²
Up-link freq: 1920-1980
Down-link freq: 2110-2170
Up-link Gain: 40 dB
Down-link Gain: 50 dB
Power Output: 10 dBm
Working t °C: -25/+55 °C
IP-Code: IP40
Humidity: 5 - 95 %
Size (mm): 165 × 115 × 35
Booster Weight: 0.5 kg
Power supply: Input AC90~264V,output DC5V/2A
Model Year: 2020
Download Manual Download Datasheet

How it works

The installation of the 3G booster LCD-1503G is very simple and understandable. The outdoor antenna is placed on the roof of the building in such a way that it could receive any existing signal. A 16m cable runs down into the building and is connected to the booster box. The indoor coverage of the model is 1600 ft2. This should be taken into account during the installation. It is better to place the indoor antenna on the ceiling downwards, or on the wall in the direction of the area where you would like to have an improved signal. The kit includes a manual which will help you to set up the booster. What is more, the model is equipped with LCD screen which provides information concerning the installation process.

This booster is not the only 3G model from the Nikrans brand, among best-sellers there is also Nikrans LCD-350 3G repeater for networks in Spain and most other countries of the EU.

Customer Reviews

 ·  J (United Kingdom)  ·  Verified Buyer  · 

Catches and amplifies 3G well

The booster came as advertised, with all the necessary mountings, manual, and warranties. Works fine, without any complaints.

Dear Julia, we are glad to receive your feedback. Thanks for choosing our product. Wishing you all the best, support team.

 ·  G (United Kingdom)  ·  Verified Buyer  · 

Nothing special

The booster works for 3G only, and it covers a very small area, not larger than 1600 ft2. In my opinion, it's better to pay a bit more, and to buy a device which will amplify both calls and 3G.

Dear George, thank you for your review. We would be glad to see you at our store again. Wishing you all the best, the team of Mobile signal boosters.

 ·  S (United Kingdom)  ·  Verified Buyer  · 

Solved my problem

We had poor 3G in the countryside house and decided to buy this booster to improve the connection. We are totally satisfied with the result. The internet connection is stable, all the mobile apps work without interference, website pages are updated fast and easily. Our problem has been solved!

Hi Simon, thank you for leaving the review. We are glad to know that you are satisfied with our product. Kindest regards, the team of Mobile signal boosters

 ·  D (Ireland)  ·  Verified Buyer  · 

Doesn’t interfere with other devices

We had poor network coverage and our neighbours advised us to install a booster. In fact, we needed to improve only 3G, as calls were more or less all right. The manager of the company recommended LCD-1503G as our house is only 120 m2. First, we were afraid that the booster would interfere with other devices at home, as we have a lot of them, but it turned out to be okay. 3G is stable, mobile internet at home is available 24/7 now.

Appreciated Daniel, thanks for sharing your opinion. We are glad to know that your problem has been solved. Regards, the team of

 ·  L (Ireland)  ·  Verified Buyer  · 

Supports one band

This booster supports only one band - 2100 MHz, so it perfectly improves 3G. However, if you need to better your voice connection you’d better look for a two-band booster.

Dear Lucy, thank you for the feedback. We would be happy to see you at our store again. Best wishes, support team.

 ·  A (Italy)  ·  Verified Buyer  · 

No complaints

I’m pleased with the purchase. I’ve chosen it as there were many positive reviews on it, actually, I wasn’t mistaken. I have no complaints about its quality and its work.

Appreciated Andrea, thank you for leaving a review. Your opinion is very important for us. Regards, sales team.

 ·  A (Estonia)  ·  Verified Buyer  · 

Insufficient coverage area

Unfortunately, the coverage area of this model is very limited. It didn’t fully cover my house, which is about 300 m2, so I had to change it for another model. The manager advised choosing LCD-3503G, which also improves 3G connection but around a larger area. Now everything is okay.

Appreciated Alex, thank you for the feedback. The LCD-1503G model has the coverage of 150 m2. We are glad to know that the problem has been solved. Regards, support team

 ·  W (United Kingdom)  ·  Verified Buyer  · 

Modern Booster

I’ve been using this booster for a few months. I haven’t noticed any disadvantages yet. It works smoothly, without any interruptions. The model has a modern design, looks nice. The level of 3G signal has increased significantly.

Appreciated William, thank you for the review. We would be glad to see you again, sales department.

 ·  A  ·  Verified Buyer  · 

Awesome and simple device

The booster arrived on time. I had zero or one bar. It helped out the issue immensely. This device absolutely works just as described. I am very happy with this purchase.

Dear Alex, thank you for the feedback, we greatly appreciate it. Best regards, Support team.

 ·  D  ·  Verified Buyer  · 

See the installation instructions

This device is definitely helpful. Just be ready to spend some time experimenting with the antenna location. The inside antenna is omnidirectional, so you don't need to set it up appropriately as well.

Dear Darren, thank you for a detailed review. Best regards, Support team.

 ·  J  ·  Verified Buyer  · 

Went from 0 bars to 3 bars

The system works as advertised. This is absolutely "plug and play" unit. I received this very quickly. The biggest issue is to be sure you get a device that operates on the frequency of your provider.

Hi Joe, Thank you for the review, we greatly appreciate it. Kind regards, Support team.

 ·  M  ·  Verified Buyer  · 

Perfect for the price

We live in a hollow surrounded by forest and get little to no cell service. The booster amplified that weak signal. After installation of this unit it jumped up to 3-4 bars. Highly recommend!

Hi Michael, Thank you very much! Best regards, Support team.

 ·  S  ·  Verified Buyer  · 

Absolutely safe

I purchased it for my studio apartment 3 months ago and it was installed in a room I slept. Nothing happens with my body, I don't have any type of pain or headache. So, it's not harmful to humans, although it operated with a signal. Perfect!

Hi Sina, thank you for the feedback. We are glad you've chosen our company. Best wishes, Support team.

 ·  G  ·  Verified Buyer  · 

Works pretty well

I purchased this repeater model to place it in our loft, because my wife loves spending time there reading ebooks and watching movies from her laptops. She can now do it without any problems and she’s very happy.

Hi Gabriel, it’s good to know that you and your wife are happy with your purchase. Sincerely, Support team.

 ·  J  ·  Verified Buyer  · 

Bought it with my roommate

Me and my roommate share a tiny apartment in a pretty overpopulated block, and we often had signal disruptions because of the way the building is located. After we got this booster, the signal passes through perfectly.

Hello Jaimee, it’s great that you and your roommate now have good and stable signal at your apartment! Best regards, Support team.

 ·  J  ·  Verified Buyer  · 

Everything is OK

I would like to thank the supplier for fast delivery and effective device. The booster came safe and sound, in full specification. Works without problems.

Dear Jane, thank you for the review. Keep on enjoying it! Best regards, Support team.

 ·  S  ·  Verified Buyer  · 

Tricky manual

I would like to thank the supplier and the support team for ideal work. The managers were very polite, they explained me everything and showed me how the booster worked as it isn't that evident from the manual.

Dear Sam, we are very grateful to you for leaving a review. Enjoy your 3G connection! Best regards, Support team.

 ·  J  ·  Verified Buyer  · 

Polite service

This is the second time I have placed an order here. Last year a bought a marine amplifier from this supplier and now I decided to buy a booster for my parents’ village house. GSM isn’t bad there, that is why I have chosen a model which amplifies only the internet. It’s enough for me and my parents. The manager on the phone provided detailed information about the product and politely answered my questions. Good job!

Dear Jack, thank you very much for the review. Your opinion is important for us. Kindest regards, Support team.

 ·  H  ·  Verified Buyer  · 

Fast Shipping & Good Quality

I ordered Nikrans LCD 1503G two weeks ago. The shipment took five days. The parcel came carefully packed and it included everything necessary for the installation. The quality of the product was good.

Dear Harry, thank you for the review. Your opinion means much to is. Kindest regards, Support team.

 ·  F  ·  Verified Buyer  · 

Only for 3G

I bought the model to improve poor coverage at home. Unfortunately, it turned out that I have chosen a wrong model because LCD 1503G improves only 3G and I needed to amplify both voice connection and the internet. So, I had to change it for another model, with the same small coverage area, but this time it was a dualband model. So if you need to boost only 3G the model is ok, but if not – it’s better to spend a bit more money and to buy a dualband repeater.

Dear Freya, thank you for the feedback. Next time you need our help, feel free to contact us. Kindest regards, Support team.

 ·  F  ·  Verified Buyer  · 

Effective device

The device is effective. I see no reasons to hesitate about it. The only thing about the booster is to find the most suitable place for the outdoor antenna so that it would be able to receive a signal.

Dear Franck, thank you for the review. Feel free to contact us whenever you need. Kindest regards, Support team.

 ·  O  ·  Verified Buyer  · 

Renewed version

This is my second booster. The first one was an older model with fewer functions, which by the way was bought at this company as well. As I was very pleased with the company’s work and product previously, I decided to order the booster here. And that was a good decision. The manager advised me to try Nikrans LCD 1503G. The main difference from the older model is the presence of LCD screen, which is very helpful and informative. I like it!

Dear Olivia, thank you for leaving a review. We would be very glad to see you at our store again. Best regards, Support team.

 ·  A  ·  Verified Buyer  · 


Let me tell you a few words about my using this booster. I bought it to use in the village, where my cottage is situated. The voice connection there isn’t bad actually, but the internet leaves much to be desired. I would even say that it’s just absent, yeah, I had no internet at all. This situation was unbearable and I decided to install a booster. Why did I choose this model? First of all the price was affordable for me. Next its characteristics fully met my requirements. The model amplifies 3G at one band and its coverage area isn’t large at all – just about 150 m2. It’s very effective and I’m pleased with the result!

Dear Amelia, thank you for the review. We are glad to know that you are pleased with the device. Kindest regards, Support team.

Case Studies

Scott Reese, York

Great quality. Superb booster!

I didn’t know that my internet speed was slow, because I didn’t use it very much. And I never noticed that I had EE signal issues at my place until I had to use internet at home a lot. When I realized that I’ve got problems and I can’t do all the things that I want to do using the internet, I was upset and almost desperate, but Mobile-signal-boosters were here to help and they solved it all perfectly and very fast.

Warren Care, London

Amplifiers are really good devices!

After I made a purchase, I never had to return anything. The booster arrived perfectly intact and working, together with all of its parts, that were in the box. I checked both of the antennas, the booster itself and the power plug, and they all had no scratches or other defects on them, and the wires were working as well. The parcel has arrived in only four days, which was very convenient for me.

Fabien Laurens, Maidstone

A signal booster is an answer to signal problems!

Me and my roommates were BT Mobile subscribers, and we really loved the price that the three of us were paying for our 3G router, and we wanted to keep it that way. So, we did some calculations to find an option that would help us increase the signal without changing the operator, and pay off quickly. Since we all needed internet for our jobs, it was a very important issue, and we wanted our 3G to be stable.

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