GSM Extender Nikrans LCD250-GSM+4G

Image GSM Extender Nikrans LCD250-GSM+4GSALE
Image GSM Extender Nikrans LCD250-GSM+4G
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Download Datasheet

How to install mobile repeater

Indoor coverage:
2700 ft²
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  4.9/5 — 92 reviews
2 Band
Kit contents
  • LCD250-GSM+4G signal amplifier,
  • indoor whip antenna
  • indoor ceiling antenna + 5m cable
  • outdoor antenna + 20m cable,
  • power supply,
  • user manual.
£470£365You save: £105
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


Nikrans LCD250-GSM+4G is an advanced signal amplifier with an LCD screen. It works seamlessly for improving voice and 4G signals. Thanks to Nikrans LCD250-GSM+4G booster, you will now enjoy high speed internet and crystal clear voice calls without any network interference.

The Nikrans amplifier supports GSM 900 MHz for calls, as well as 2600 MHz or 800 MHz for high speed LTE internet. Compatible with almost all UK's carriers, the device allows you to enjoy uninterrupted voice calls and blazing internet speed. Once you order, one of our managers will get in touch with you for verifying your LTE band (either 2600 or 800MHz). With its upgraded hardware and more sophisticated features, it covers up to 250 m2 (2700 ft2) of area, making it the most reliable choice for homes, cafés, shops, studios, pubs, and underground cafes.

But don’t take our word for it. Have a look at the most unique features for this LTE repeater:

  • LCD screen. The equipping of the booster with an LCD screen makes it appropriate for non-technical users to understand and operate this device with no problems. All important and critical information about the device is displayed on the LCD screen, such as input and output signal strength, setup details, power, AGC, installation instructions, error details and their solutions, etc.
  • Sleep mode. The sleep mode helps in saving energy as the device turns off automatically when no calls are placed and no internet activity is conducted over the network. Respectively, it also turns on automatically when it detects voice and 4G internet traffic.
  • Automatic function controls. The LCD250 GSM+LTE amplifier can adjust the system gain and signal strength automatically without interfering with any other network. In case of a problem, the device turns off automatically.
  • Compact size and hi-tech design. This booster features small size, light weight and cutting-edge design with an intelligent LCD display, nicely blending in any environment whether it is an office or a house.

Nikrans LCD250-GSM+4G signal amplifier is absolutely safe to use. International CE and RoHS certificates provide safety assurance and reliability. With no harmful radiations emitted, this device is completely safe to use.

Enjoy uninterruptable voice connection and blazing fast 4G speed with Nikrans LTE + GSM signal amplifier! Place an order now.


Coverage: 2700 ft²
Up-link freq: 65
Down-link freq: 925~960MHz & 791-821MHz & 2620-2690MHz
Up-link Gain: 60 dB
Down-link Gain: 65 dB
Power Output: 12 dBm
Working t °C: -25/+55 °C
Humidity: 5 - 95 %
Size (mm): 310 × 270 × 60
Booster Weight: 0.9 kg
Power supply: Input AC90~264V,output DC5V/2A
Model Year: 2017
Download Manual Download Datasheet

How it works

Cell Phone Extender Nikrans LCD250-GSM+4G is a device that is designed to simplify your life. It not only perfectly fulfills its function (thanks to its two antennas and a repeater box itself it is able to amplify even the weakest signal and to transmit it to more than one mobile device at the same time), LCD250-GSM+4G makes its usages for you as simply as possible.

To install it, you may need just 30 or 40 minutes and then you can practically forget about it, as it is able to control the external circumstances and adjust necessary settings automatically. When there is no any necessity to improve poor signal as there are no any mobile devices that need to receive it, LCD250-GSM+4G enters an energy saving mode. Moreover, when the necessity appears, an active regime will be switched on also automatically.

The series of GSM + 4G boosters is quite vast and suits for different coverage areas. The most popular option for European and especiaally Spanish networks is LCD-400 GSM+4G mobile signal phone booster.

Customer Reviews

 ·  J (Ireland)  ·  Verified Buyer  · 

Reliable company

You won’t believe me, but all my neighbours have bought boosters here. This company is reliable and trustworthy, as well as the products they offer.

Hello Jane, we are grateful for your words of appreciation. Hope to see you again. Best regards, support team.

 ·  H (Germany)  ·  Verified Buyer  · 

Complicated to install

The booster is effective, but its installation is a bit complicated. My husband installed it himself, and we had no change in the level of mobile signal at all. Later they told us that we need to find a better place for the outdoor antenna, such a place where it is able to catch any signal, even too weak, in order to improve it. We did as we had been told and everything is okay now.

Appreciated Hannah, thank you for the feedback. Feel free to contact us in case you need help. Regards, support team.

 ·  A (United Kingdom)  ·  Verified Buyer  · 

Improves Signal Well

This is my second booster for home. The first model was also purchased here, but it improved only GSM signal, and I’ve decided to change it for a more advanced model. As my house isn’t very large, this model is enough with its coverage of 250 m2. The amplifier improves signal well. There are no problems with it.

Dear Allen, thank you for the review. Hope to see you at our store again. Best regards, support team.

 ·  M (France)  ·  Verified Buyer  · 

More Than I Expected

When I was buying this device I didn’t expect to get much result, but fortunately, I was mistaken. In the end I was pleasantly surprised, because the result was even better than I expected. The voice connection became much better. I always have full bars, regardless of my location inside the house. The booster also provided smooth work of high-speed 4G network. I will recommend it to my neighbours, undoubtedly.

Dear Martin, We are happy to know that you are pleased with the result. We would be glad to see you next time. Best regards, support team.

 ·  M  ·  Verified Buyer  · 

Excellent booster

Solved all my problems! I barely had any signal inside my house before. The house is made of wood and bricks, so no common issues like metal houses tend to have, but the signal used to be really poor. After the installation I have a full scale of signal bars in almost every room. The place where I live isn’t close to any big cities or cell towers, but that doesn’t stop the repeater from working really well for me.

Hello Mariyam, and thank you for your review. Unfortunately, the signal can be poor not only in metal houses, but we’re glad that it’s all solved now! Best regards, Support team.

 ·  O  ·  Verified Buyer  · 

Didn’t expect it to work so well

Our house is surrounded by large pines, since we basically live in the forest. As you can imagine, the signal won’t be so good in an area like this. And since I didn’t want to cut down any trees, I thought there could be a better idea. When I began looking for options to boost our signal I was really confused, because I found this to be a more complicated pursuit than I had expected. I was getting lost in all of this technical knowledge, bandwidth and other things related to that. Thankfully, the store manager stepped in and helped me a lot with choosing this particular model that I am now absolutely happy with. I had to mount it fairly high (not on any of the pines), since it can’t do magic and works as long as the outside signal exists, but it amplifies it really well and is worth the money without any doubt.

Hi Olly! It’s good to know that you’re so happy with your purchase and the service our manager offered you. Best regards, Support team.

 ·  C  ·  Verified Buyer  · 

No more lost signal

I was really suffering from signal loss before I knew that boosters even existed. After one of my friends recommended this model to me, I was unbelievably happy. Now I can’t even remember how bad it used to be!

Hi Ciaron! It’s amazing that you don’t have to suffer from poor signal at your place anymore. We’re glad we could help. Best regards, Support team.

 ·  P  ·  Verified Buyer  · 

Amazing device

The reason I wanted to buy a signal enhancer was because my basement had really poor signal, and I wanted to organize a place to relax there as well. With this repeater, I can play videogames and stream movies there!

Hello Pixie, we’re happy to know that our signal repeater helped you so well with receiving signal at your house. Best wishes, Support team.

 ·  B  ·  Verified Buyer  · 

Didn’t need to change the operator

My signal troubles were so annoying that I was thinking of breaking up the contract with my operator. Turns out it wasn’t their fault, and a signal amplifier helped me out with everything. The solution was much easier than I thought though the delivery was a bit long.

Hi Bonnie, it’s good to hear that your problems are solved so easily! Sincerely, Support team.

 ·  C  ·  Verified Buyer  · 

The best for our office

Since the company I work for moved to another office, no one was able to catch a good signal. After we purchased and installed the booster, everything works just fine, with no lost connection and dropped calls.

Hello Chandni! We’re glad to know that you find our booster so helpful. Sincerely, Support team.

 ·  M  ·  Verified Buyer  · 

Bought it for my family house

My family house is quite big, and we often struggled to get good signal without disruption all over the place. We argued a lot about that, but eventually decided to get a booster. Absolutely not disappointed.

Hi Maximilian, it’s good to know that your family found its peace and good signal with the help of our signal booster! Best regards, Support team.

 ·  G  ·  Verified Buyer  · 

Amazing for freelancers

If you’re a freelancer and you prefer working comfortably from your home, this booster would be amazing, just as it is for me. It covers my entire house and I never get bad signal. The only thing: you need to find the right place for outdoor antenna which isn't evident.

Hello Gareth, we’re very glad that you love our store. It’s great that we helped you have a good signal. Best regards, Support team.

 ·  L  ·  Verified Buyer  · 

Works well

This little device didn’t ruin the interior design that I picked so carefully for my living room. I was able to locate it in a nice spot and hide the wires. Yet, it works perfectly, enhancing all of the signals.

Hi Lauryn, it’s great that it fits into your interior. We keep our products minimalistic. Best regards, Support team.

 ·  L  ·  Verified Buyer  · 

Saved my internet signal

I work from home, and my internet signal is a question of life and death. GSM signal is also pretty important. So when I moved to another apartment, a signal repeater was the only thing that saved me.

Hello Lukas! Our team is very happy that we could help you solve the issues and work effectively again. Best regards, Support team.

 ·  N  ·  Verified Buyer  · 

Bought one for myself and recommended at work

After I bought this amplifier, I was very curious to test it. My iPhone’s Field Test mode showed a significantly stronger signal right next to the booster and its inner antenna. Throughout the house the signal has changed a little, but it didn’t become less than three bars. I also switched the booster off and back on a couple of times. It wasn’t necessary, but I was curious, and the Field Test mode showed that the signal goes up just a few seconds after the booster is switched on. I was really satisfied with how It works, so I recommended it to my boss, and he ordered one for our office as well.

Hello Nel! Thank you for your review. We’re very glad that you and your boss like this model so much! Best regards, Support team.

 ·  V  ·  Verified Buyer  · 

Recommend it to anyone with signal issues

I’m currently living outside the city for family reasons, and the closest cell tower turns out to be about 4 kilometers away from my place. This repeater has finally brought decent signal into my home! My phone now catches all of the signal bars (or four out of five), and the internet data speed is much higher than it used to be. I’ll recommend this booster to anyone who’s struggling with poor signal, especially to my friends in the neighborhood. Maybe they’ll need a different model for different needs, but the brand and the store stay the same. I’m really happy with the reception inside my house now.

Hello Vicky, we’re glad that our booster helped you so much. Thank you for your positive review, we’re always happy to help! Best regards, Support team.

 ·  E  ·  Verified Buyer  · 

Forgot about my signal issues

I’ve had a cell phone signal issue for a long time, and now I realize how absurd it was of me not to try and solve it before, knowing now how easy it is. I simply purchased a booster, it arrived to my place quickly, and I think it took me more time to unwrap the details than to actually mount them. Easy and fast, and the instructions were clear. No more signal issues for me, thanks to NS-2500GD and the company!

Hi Ewen! It’s good to know that you’re so happy with your purchase. Please enjoy your stable internet connection and phone calls! Best regards, Support team.

 ·  E  ·  Verified Buyer  · 

Can’t say anything bad

I ordered this repeater for my home for voice, 3G and 4G improvements. After the consultation from the manager I ordered the model that supports all of my operator’s frequencies. This model was NS-2500GD. And I got what was promised and what I expected from it. The installation was rather simple, but took time as I had to figure out how and where to fix the antennas especially outdoors. I don’t have to tune the repeater myself, and it’s good, because I don’t know how.

Hello Ebrahim! We’re happy that everything worked out for you and you’re satisfied with your purchase. Best regards, Support team.

 ·  A  ·  Verified Buyer  · 

Works great

The parcel arrived really quickly and everything works! I purchased it for my parents’ summer cottage, and it works all over the plot that they own, because the working range is big. We ran several speed tests and found no issues whatsoever. My parents are very happy with this signal repeater, they can now use internet and receive phone calls in their cottage without going outside, which can be hard for elderly people.

Hi Abbey! We’re happy that our repeater made your parents’ lives more comfortable. Please contact us if you, or they, have any more questions. Best regards, Support team.

 ·  R  ·  Verified Buyer  · 

It does increase signal

I had a few spots in the house that could not sustain a call. Using a signal strength app on my smartphone I figured out where to mount the antenna. I managed to run the cable without drilling any holes. I set the indoor antenna in the attic right over the area that I most wanted to improve coverage. That’s why I didn’t have to drill any holes in the interior walls. Coverage went from 1 bar to 4 bars.

Dear Robert, we appreciate your feedback. Thanks and regards, Support team.

 ·  B  ·  Verified Buyer  · 

Tricky to install

The house I live is incredibly rural. I had only 1 signal bar. If the device is properly and carefully installed, this does the trick. Now I have 4 signal bars inside. The problem is that the exterior antenna is highly sensitive to positioning. Any movements can influence on signal bars.

Dear Bob, thank you for contacting us, we greatly appreciate it. Best regards, Support team.

 ·  N  ·  Verified Buyer  · 

More Bars for sure

We installed one of these amplifiers at a cafe in rural Derry. The nearest cell tower is about 6 miles away. We got about 1-2 bars outside and absolutely no cell service inside the building. After the installation, we had enough coverage to make a phone call and send a text in the whole cafe. We don't get 5 bars but it gets 3 to 4 bars and that is plenty for the cafe. Customers with different cellular providers reported improved cell service. The installation process took about an hour. 4G wasn't the fastest, but it wasn't good enough outside either.

This device however doesn't work miracles. If you have no coverage, this booster isn't for you. For a larger building, I also recommend other models, but overall, this product does the job well. Price is reasonable.

Dear Noar, we’re pleased that you are satisfied with the results. Kindest regards, Support team.

Case Studies

Paul Dass, Swindon

Quick delivery with all necessary parts

Fast delivery is everything! My situation was an emergency, since no one at my company could work efficiently while having terrible Vodafone signal problems, and the cell phone booster I ordered arrived in just a couple of days, exactly as it was promised. No mistakes during the delivery or with the order, every single detail is very carefully packed and there’s no need to buy any additional wires or power plugs.

Philippe Doherty, Huddersfield

The signal is stable and strong now.

I tested out the signal for several days after I turned on the booster. It was stable anywhere inside the working range of the booster, my internet speed was very good no matter what I was doing and where I was, and I could do anything that I needed – from interviews via videochat to watching movies online. The signal never interrupts or slows down my working process anymore, and it honestly feels very good.

Dwyer Jacox, Grimsby

It was time to stop my Lycamobile signal problems!

Due to some circumstances in my life, I had to move out of a big house and live in another part of the town. It all caused me no problems except for one thing. There were no Lycamobile signal problems at my old place, but the new apartment had severe signal issues. I was basically erased from my friends’ and family radars, because they couldn’t reach me. It was frustrating, and something really needed to be done.

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Fed up with poor mobile phone signal?
We have a solution to your problem!

All you need to do is to get in touch with our qualified managers and you will forget about network problems once and for all!

[email protected],    +448000698689 (Sales),    Sales Chat