Boat Amplifier Nikrans NS-GSM+4G-PRO-Boat

Image Boat Amplifier Nikrans NS-GSM+4G-PRO-Boat
Image Boat Amplifier Nikrans NS-GSM+4G-PRO-Boat
Boat Amplifier Nikrans NS-GSM+4G-PRO-Boat image 1
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Download Datasheet

How to install mobile repeater

Indoor coverage:
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  4.8/5 — 53 reviews
3 Band
Kit contents
  • Marine amplifier Nikrans NS-GSM+4G-PRO-Boat,
  • indoor panel antenna + 5 m cable,
  • outdoor omni antenna + 10 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


Nikrans NS-GSM+4G-PRO-Boat is one of the best boat amplifiers designed for boosting poor GSM and 4G mobile reception in boats and yachts. The model can be used in large marine vehicles as its coverage area is up to 26000 ft2 (2500 m2). The standard kit contains one inside antenna for improving the signal, nevertheless if you would like to extend the coverage area you can install up to 4 inside antennas.

The marine 4G antenna Nikrans NS-GSM+4G-PRO-Boat is suitable for boosting both voice connection and mobile internet. The device functions at different frequencies - GSM 900 MHz band for calls and LTE 800 + 2600MHz bands for 4G mobile internet – so it can improve poor signal from different providers. What is more, if your operator supports 3G 900MHz technology, Nikrans NS-GSM+4G-PRO-Boat can be used for improving 3G data as well. It’s necessary to mention that the model has no restrictions concerning the number of simultaneous users, so it can better signal for several recipients at a time.

The main benefits of Nikrans NS-GSM+4G-PRO-Boat are:

  • Auto Level Control. Taking into account the incoming signal characteristics the system automatically regulates repeater software gain. 
  • MCU control. In case of any system errors digital booster software lets you know about it.
  • Longer Battery Life. Due to better level of mobile phone signal your cellular device will consume less power.
  • Omnidirectional Outside Antenna which is able to operate at a distance up to 40 km from the coastline in any direction around the ship.
  • Both 12V and 220V power supplies are included in the installation kit for your comfort.  

Order this unique marine booster and get satisfaction with perfect mobile connection in your boat or yacht wherever you travel.


Coverage: 0 ft²
Up-link freq: 832-862 & 880-915 & 2500-2570
Down-link freq: 791-821 & 925-960 & 2620-2690
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): 250×220×52
Booster Weight: 3,2 kg
Power supply: AC 90~264V, DC9V/3A, 18W
Model Year: 2018
Download Manual Download Datasheet

How it works

NS-GSM+4G-PRO-Boat can ensure excellent mobile connection for an unlimited number of mobile users on your boat simultaneously. The outdoor antenna that is one of the main elements of a standard signal repeater set is omnidirectional which means that it receives mobile signal from different sides at the same time. The device is very easy in use, it has a function of automatic signal level control, so you do not need to set this parameter manually. What is more, the system is self-controlled, so it will notify you in case of network errors which will prevent improper work of the mobile signal booster.

Customer Reviews

 ·  R  ·  Verified Buyer  · 

Good product

I’ve bought the booster not so long ago, but I have already tested it and I can tell you that I have no complaints about the product and the supplier. I’m satisfied!

Dear Ross, thank you for leaving a review. We are happy to know that you are satisfied with the product. Kindest regards, Support team.

 ·  J  ·  Verified Buyer  · 

Good job

This is my third booster of this company. I like this supplier. Their products are of high quality and they offer good service. I bought a home booster here a few years ago, then I purchased an amplifier for my car, and finally, this time, I decided to buy a repeater for my yacht. All the boosters work without any troubles. The support team is very polite and caring, it’s a real pleasure to work with them!

Dear Jasmine, thank you for the feedback. Your opinion means much to us. Best regards, Support team.

 ·  E  ·  Verified Buyer  · 

I’m impressed

I’ve been looking for such an amplifier for so long, and finally I have found it! The supplier provided everything for the installation. The cables for antennas were included in the order as well. The indoor panel antenna had a 5 m cable and the outdoor omni antenna had a 10 m cable. The device is very compact but it is really effective. Moreover, the number of simultaneous users is unlimited, which is undoubtedly a great plus for me.

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

 ·  F  ·  Verified Buyer  · 

Better than any other

I have been using the device for a year already. During all this period I had no signal problems at sea. I recommend it!

Dear Fred, thank you for the review. We would be glad to see you again. Best regards, Support team.

 ·  G  ·  Verified Buyer  · 

Best marine booster

It goes without saying that good mobile connection when you are offshore is very important. First of all, it ensures safety of marine transportation. I use this booster on my cargo ships to coordinate the actions of motor ships (between ships, between a ship and a dispatcher or owner), to implement transportation schedules, especially when the ships operate far from the coast, on wide sections of reservoirs, lakes, rivers or coastal marine areas. The repeater works very well. Improves both voice communication and 4G internet, and does it perfectly.

Dear George, thank you for the review. We are glad to know that you are satisfied with the product. Best regards, Support team.

 ·  L  ·  Verified Buyer  · 

Good for business

I’m using this booster for some business needs. It supports three frequencies and covers large areas. Now my clients and partners can solve important issues on the phone when they are on board my ship. This is very important for me, especially when it comes to VIP clients.

Dear Lacey, thank you very much for the feedback. We would be glad to see you next time. Kindest regards, Support team.

 ·  S  ·  Verified Buyer  · 


I couldn’t even imagine that the result would be like that. The booster amplifies voice communication perfectly as well as mobile internet.

Dear Amelia, thank you for leaving a review. Keep on enjoying it! Best regards, Support team.

 ·  M  ·  Verified Buyer  · 


This is one of the best marine boosters I’ve ever used. I had a lot of them, but this one is the most effective and it has a huge coverage area – about 2500 m2. So the working principle is the same as in home boosters, the main difference is only in the antennas. The outdoor antenna in the marine repeater is omnidirectional, so it catches signal in 360 degrees around and it’s great. The maximum distance from the shore should be no more than 40 km.

Dear Mark, thank you for the feedback. We would be glad to see you again. Best regards, Support team.

 ·  A  ·  Verified Buyer  · 

Not bad

In general, it’s a good product. It has one indoor antenna included in the set, but I added two more to make the coverage better. It works well but I don’t think it will work the same if you go really far from the shore.

Dear Andrew, thank you for the feedback. We hope it will always help you stay connected while sailing. Kindest regards, Support team.

 ·  M  ·  Verified Buyer  · 


I own a business which is directly connected with the sea and boats – I have a large touristic yachts club. This wonderful booster is among the many models which I have bought to equip my boats and yachts. This is a 3-band amplifier which improves calls and 4G. I always try to deliver maximum service to my clients, and the availability of mobile communications can be a significant advantage in the passenger transportation market. For example, a passenger comes with a city tour on a boat and decides to call home or friends and tell his or her emotions and impressions of what they have seen. So you see, having a mobile booster is a must in such cases. Now all my clients can benefit from high quality coverage and I never worry about poor reception any more.

Dear Megan, thank you for the review. We are happy to be useful to you. Best regards, support team.

 ·  C  ·  Verified Buyer  · 

Bought it for my boat

I’ve bought this booster not so long ago. It effectively improves weak signal when I’m in the sea. The order came in a full package. The kit included both 12V power supply and the standard 220V. Amplifies all types of signal for all the providers (but I don't sail too far from the shore). So far I’ve noticed no drawbacks.

Dear Colin, we appreciate your feedback. Please let us know if you have any questions regarding the functioning of the booster. Best regards, Support team.

Case Studies

Felix Thurston, Edinburgh

I've managed to improve my mobile connection on the yacht.

I am fully satisfied with the product. The installation was understandable thanks to the manual included in the full kit. I made a call to the support team of to clarify a few points and was able to install the device on my own. Following a few steps described in the scheme I managed to improve the situation with Talk Talk poor signal on my yacht.

Nigel Ezell, Bridlington

I needed a booster for my boat and I found mine!

I am very pleased with the marine mobile signal booster, which I have bought at The model perfectly amplifies not only iD Mobile poor signal, but it also improves weak coverage of other major European operators. The repeater is easily installed and works without errors. It effectively boosts signal wherever I am in the sea.

Steven Hardy, Brighton

Absolutely stunning device!

Thanks to store, we were able to solve our mobile signal issues easily and quickly, just as it was promised to us. The information on the website is very detailed, and we could understand everything even despite the fact that we aren't too familiar with technologies. customer support helped us choose the booster model, so thanks to them as well!

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