4G Mobile Signal Booster Nikrans NS-2500GD Dualband

Indoor coverage:
21600 ft²
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Customer Reviews: 3

2 Band
Kit contents
  • Dualband booster NS2500 GD,
  • External antenna + 10m cable,
  • Indoor antenna + 5m cable,
  • AC/DC power supply,
  • Installation manual.
Shipping (3-7 business days) to United Kingdom
  • 5-step pre-delivery check
  • 30-DAY return policy
  • 3-YEAR warranty & service
  • Secure payments


NS-2500GD is a dualband 4G mobile phone signal booster that amplifies a mobile signal at two frequencies, 900 MHz and 1800 MHz at the same time, and is apt to drastically ameliorate the GSM signal reception of all the operators in the UK. Moreover, if your provider uses these frequencies to deploy its 3G/4G Internet network in your neighbourhood, you will get an added advantage of getting these signals of high strength.

It is effective for amplifying low signals in spacious areas that otherwise are not easily covered, such as giant shopping malls, offices, supermarkets, underground parking, and conference halls, etc. The maximum coverage area is up to 21,600 ft2 (2000 m2).

Here are some of the most important features of this booster:

  • Shut-off function is necessary for preventing repeater from getting damaged due to strong external signals or incorrect installation.
  • Automatic Level Control (ALC) is used to control repeater output signal for preventing network interference.
  • Automatic Gain Control (AGC) is useful to automatically control incoming signal strength.
  • Manual Gain Control (MGC) is meant for advanced users who prefer to regulate gains manually.

The compliance with the internationally recognised CE and RoHS standards ensure that the deivce is 100% safe to use and doesn't affect your health and environment. On top of it, you will benefit from a 3-year warranty.

Click on the "Buy Now" button andforget completely about dropped calls and slow Internet for good!

Some UK's providers also use 900 MHz frequency for 3G Internet connection. So if your mobile operator supports 3G at 900 MHz, this booster will improve both your phone calls and Internet connection.


Coverage: 21600 ft²
Up-link freq: 70
Down-link freq: 935-960 & 1805-1880
Up-link Gain: 65 dB
Down-link Gain: 70 dB
Power Output: 20 dBm
Working t °C: -25/+55 °C
Humidity: 5 - 95 %
Size (mm): 250 × 165 × 52
Booster Weight: 2.5 kg
Power supply: Input AC90~264V,output DC5V/2A
Model Year: 2017
Download Manual Download Datasheet

How it works

4G Mobile Signal Booster Nikrans NS-2500GD is not just another powerful device, it is also a really smart one. While its task is to receive, boost and spread the signal, it can automatically control the strength of the signal that is caught as well as the level of the signal that is spread. These important features ensure the safest functioning of the device and its highest effectiveness. If a user has deep understanding of the working principle of the device and wants to regulate these settings manually, such an option is also available.

Shut-off function that NS-2500GD has helps to minimize risks of damages and errors that can be caused by mistakes in installation or too intensive incoming signal.

Customer Reviews

 ·  S  ·  Verified Buyer  · 

Bought it for a parking lot

I needed a repeater to install it into a parking lot under a shopping mall. It’s almost obvious that the reception would be really poor under the ground, and it caused inconveniences for the mall customers. Your team stepped in and helped me choose the ideal booster model, which was NS-2500GD. The working range, the signal types and the price – everything that I needed, all in one booster. The price is very democratic indeed, and it pays off really quickly. Saves you energy, boosts signal really well, and is very easy to install without taking up a lot of space. A very good purchase, from my experience.

Hi Sadiyah, and thank you for your review. Our team is always happy to help and answer any of your questions! Best regards, Support team.

 ·  C  ·  Verified Buyer  · 

Helps in rural area

I bought it for my summer house, which is located in a rural area, plus it’s made of metal. The signal was really weak, even outside the house, and it became downright unusable any time I needed it. Not that it had actually intended to stop working, but it was annoying anyway. I installed The antenna on a pole outside the house. You don’t have to use any poles, I just already had one. The inside antenna went into the central room of the house. Now everything works effectively and nothing is affected by the weather, which is great. I’m not there all the time, but when I am, it’s working great.

Hi Caiden! It’s great that your reception is so much better with our product. Thank you for your purchase at our store.

 ·  B  ·  Verified Buyer  · 

Works well for me, despite the possible issues

This booster model was my first one ever. I got it a year ago and it’s still working well for me, with no problems at all. It amplifies my Vodafone signal well enough in my area, despite other operators being close to it in the frequency spectrum. I chose this model because of its coverage area, and because it had not only automatic gain control, but manual as well. I wanted it in case there’ll be any troubles with that frequency thing. The LED signals are very convenient and good at showing me what’s going on with the signal repeater, and that is really important due to the possible frequency issues, again. Installing an external antenna wasn’t a problem for me, since I live in a house, I mounted it up on the roof and pulled a wire inside my window. The length that’s included in the pack was enough.

Hello Beulah! It’s good to know that this model was capable of solving your issues. Feel free to contact us if any of them ever occur in the future. Best regards, Support team.

Case Studies

Kieran Chun, Norwich

We were advised a suitable model.

Frankly speaking, it wasn’t an easy task to choose the best model among all the devices available at Mobile-signal-boosters.co.uk. They offer a huge variety of boosters depending on the indoor coverage and operator’s frequencies. Fortunately, Mobile-signal-boosters.co.uk’s manager explained us everything we needed to pay attention to and helped us choose the most suitable variant.

Timothy Hassette, Ringwood

The whole set up is not at all complicated!

I would like to thank Mobile-signal-boosters.co.uk for fast shipping and high quality product they have sold me. The company provides a full set for immediate installation with all necessary details and mountings. They also have sent me a user’s manual with detailed information regarding the set up process and the main features of the device.

Kenneth Nailor, Folkestone

Much needed device if signal problems persist.

I decided that it was time to change the situation with bad signal coverage for better and a signal repeater would be the best decision for our customers to enjoy their 3G internet and GSM connection. It would for sure pay back in a couple of months and, overall, be a convenient thing no matter what.

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