In United Kingdom this booster works with:
The 5-band booster NG-600-Flex+5G has been developed to enhance 5G / 4G / GSM signal coverage in both your home and office in the frequency bands including 700, 800, 900, 1800 and 2100 MHz. The manual we provide can be used to install it yourself and receive stable mobile coverage right away. CE and RoHS international safety certifications prove that the repeater is safe for people, pets, gadgets, and the environment.
The NG-600-Flex+5G allows you to boost mobile signals of all types (5G, 4G and GSM) in areas up to 600 m² (6,500 ft²). The repeater is suitable for large apartments, offices, basements, parkings, cafés, restaurants, shops, etc. It is compatible with any brand and model of smartphones, tablets, and other mobile devices.
The NG-600-Flex+5G is capable of operating in most frequency bands, including 700, 800, 900, 1800, and 2100 MHz. Nowadays, 4G transmission is done using all of these bands. Voice calls are only available in 900 and 1800 MHz frequencies, and 5G transmission is possible in 700, 800, 1800, and 2100 MHz. Different countries and operators have different frequency bands for 4G and 5G. This booster supports all key frequencies required for reliable 4G and 5G performance, ensuring stable operation regardless of your country or carrier.
Need more technical details? Download Data Sheet
In summary, the penta-band NG-600-Flex+5G booster can help improve mobile 5G / 4G Internet and phone calls for most operators.
The NG-600-Flex+5G is a superior solution to the issue of insufficient 4G / 5G / GSM coverage, as it possesses the following features:
Download User Guide
Everything you need to properly install and use the device is included in the NG-600-Flex+5G kit. This is a booster box, an indoor antenna with a 5-metre cable, an outdoor antenna with a 20-metre cable, mounting accessories, a power supply, and a user manual.
FREE Lightning Surge Protector (€30 value)
You will get a free lightning surge protector with the order of the NG-600-Flex+5G signal booster. This is a great opportunity to save about 30€, since lightning protection is essential for the effective work of the mobile booster. The device will protect your outdoor antenna from lightning strikes. The protector includes a grounding wire and it is installed between the booster box and the outdoor antenna. You should connect one end to the cable connector coming from the booster box, and the other one to the outdoor antenna. The lightning protection is strongly recommended for owners living in areas with frequently occurring thunderstorms.
It takes only 15-20 minutes to install the NG-600-Flex+5G system. There's no need to have any special knowledge to do this. After mounting the booster box and connecting it via cables to the antennas, you can turn on the device. The signal is amplified within 5-7 seconds, allowing for uninterrupted phone calls or Internet browsing.
In order to use the phone signal booster with ease and efficiency, our technical team recommends reading the user manual beforehand.
Download User Guide
To enhance 5G / 4G / GSM connectivity of different carriers, the NG-600-Flex+5G is the optimal solution, with the model's operation in 5 frequency bands. Stable reception inside buildings up to 600 m² (6,500 ft²) can be maintained easily with the help of this repeater.
Our Professional Support Team is always willing to offer advice on any issue you may have when it comes to the installation or operation of the device.
Guess what? 2/20
The largest project we completed was a signal booster system for a 40-story office tower.
Every Nikrans signal booster is 100% safe for the users, domestic animals, gadgets and the environment. That is proven by the international safety certifications CE and RoHS. Read more about certification of Nikrans equipment here.




Reliable signal in our old family home
I inherited a large old house from my parents in rural England. It has thick stone walls, three floors and a converted extension, so the mobile signal inside was always poor. Outside we could usually get two or three bars, but indoors calls regularly dropped and mobile internet barely worked in several rooms.
Before ordering, I spoke with Catherine from MyAmplifiers support. She helped me check the frequencies used in our area and recommended the NG-600-Flex+5G. She explained that it supports several bands for calls, 4G and 5G, and that the 600 m² version would be more suitable for the size and layout of the house.
Installation took one hour. I fixed the outdoor antenna near the roof, ran the cable through the loft and placed the indoor antenna around the centre of the house. Finding the best direction for the outdoor antenna required a few attempts, but the display on the booster made the adjustment easier.
Before installation, we had either one bar or no signal in many rooms. Now calls are stable throughout most of the house, and 4G and 5G are much more reliable, including in my upstairs office and the extension.
I’m very pleased with the result. A special thank you to Catherine for her patience and clear recommendations, choosing the right model would have been much harder without her help.
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