Business Mobile Phone Booster - Mobile Repeater UK

PowerMAX GSM900/3G – Voice & 3G All UK Networks


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Our MR PowerMAX GSM900 / 3G booster kit is an optimal repeater for clients seeking a signal boost for calls and 3G. It is for clients using carriers that support GSM900 (900MHz frequency) and 3G services (2100MHz). This repeater boosts your GSM900 services for: Vodafone, Tesco, O2, Lebara. It also boosts 3G for all UK networks (2100MHz).

It does this by working on GSM900 at 900MHZ frequency, which is the typical frequency for 2G (voice and text) in the UK and Asia; and on 2100MHz which is the standard 3G frequency for all of the UK.  The MR PowerMAX GSM900 / 3G Repeater coverage goes up to 1,000 square meters, allowing a widely spread signal that reaches your entire home, office, home office, moving home, cabin, , etc. and supports up to 75 simultaneous users! This PowerMAX repeater was created to boost your voice and 3G services for UK networks. Your MR PowerMAX GSM 900 / 3G booster kit covers:

  • Voice – 900MHz
  • 3G – All UK Networks
  • Up to 1,000sqm
  • Up to 75 Simultaneous Users

This Mini GSM1800 repeater can focus in on boosting two specific frequencies (in this case it is 900MHz and 2100MHz) and provides you with very good signal in places you would not otherwise have it. This repeater works best when it is positioned in the place where you get the most signal around your building, and is pointed towards the signal, since it will be able to pick up even the slightest bit of frequency and send it through the booster system using the coaxial cables.

We like to make it easy for you to install the repeater yourself with the easy-to-follow installation instructions that come with all purchases! The MR PowerMAX GSM900 / 3G kit comes with:  your external aerial antenna, 10 meters of coaxial cables, internal PowerMAX repeater, interior rubber whip re-broadcast aerial, and AC/DC power source cables. When you set up the repeater in the desired building, once you connect the AC/DC power cables, the 2G and 3G reception inside your building will be significantly amplified, sometimes up to 200-300%! Mobile Repeater also wants to help out in any ways possible, so we offer you 100% free technical assistance throughout the entire process. Please let us know what we can do to help you at any point along the installation procedure. It’s our duty to assist you!

We are aware that there is quite a bit of competition in our area of the market, but since we have been designing and developing our PowerMAX boosters for over 10 years, we have the experience needed to provide you with the best mobile signal possible. We know that you deserve the finest signal out there, and we’re here to deliver you the best of the best in mobile signal boosts and customer service.

We believe in the superiority of our products, and their ability to boost the 2G and 3G reception that is around your building; so much so that MR offers a 15-day money back guarantee and loves to give you the perk of free shipping; so try it out and see if it works for you. Furthermore, all government and corporate establishments have the opportunity to pay after 30 days with their PowerMAX booster!

installation manual .pdf

We boost your cell signal in an exclusive way. This is how:

As stated above, our products are minimalist and easy to install. We like to keep our booster kits simple and highly functional, which is why they are so easy to install! The MR PowerMAX booster, like all of our boosters, is composed by 4 major parts:

External Aerial Antenna: The exterior aerial antenna is essential to the repeater’s functionality because it’s the external antenna that receives any 2G and 3G signal you have outside your home or office building, and sends it through the PowerMAX system.

Coaxial Cables: The coaxial cables are 10 meter long cables that are intended to transfer the cell signal from the external aerial antenna to the indoor GSM repeater at the highest speeds possible.

Indoor PowerMAX SM900/ 3G Repeater: This is the device that obtains the signals from the coaxial cables, and amplifies the signal throughout the inside your building; making it 2-3 times stronger than earlier. This is the device that is connected to the AC/DC power supply.

Internal Rubber Re-Broadcast Aerial: This is the device that transmits the already amplified signal throughout the desired space, like a wi fi signal. (These repeaters do not require a wi fi connection)

The reasons you need a mobile repeater is probably due to things that are a little out of your reach, such as the building materials used in the construction of your home, home office, high-rise, etc. that block signal from entering; working or living too far from your carrier’s primary antenna; the mountain(s) in your area; or the densely forested area in your city. These are all contributing factors to the poor (or nonexistent) cell signal you’ve had to deal with. Luckily, our designer and engineer teams have premeditated these factors, and have developed a way to do away with all of them.


package includes
1 x Outdoor Aerial Antenna

1 x PowerMAX Dual Band GSM900 / 3G Repeater

1 x Indoor Rubber Whip Re-Broadcast Aerial

1 x 10 meter Coaxial Cable

1 x AC/DC Power Supply

1 x Easy to follow Installation Manual

  • Mechanical Specifications
  • Electrical Specifications
Mechanical Specifications
Item Parameters
RF Connector N-Female
Cooling Heatsink convection cooling
Dimensions (DxWxH) 194 x 234 x 30 mm
Weight 1620 Gram
Environment Conditions IP 40
Humidity < 90%
Operating Temperature -10C – 60C
Electrical Specificationstab
Item UpLink DownLink
Frequency 2G (GSM900)

Frequency 3G (2100MHz)





Maximum Gain > 50dB > 50dB
Ripple in Band > 5dB > 5dB
Max. Input Power without damage e – 50 dBm e – 50 dBm
Output Power > 17 dBm > 17 dBm
Spurious Emission (9KHz-1GHz) > -36dBm > -36dBm
Spurious Emission (1GHz-12.75GHz) > -30dBm > -30dBm
Noise Figure @ Max. Gain < 6dB (Typical) < 6dB (Typical)
Return Loss < 3dB < 3dB
Time Delay < 0.5μs < 0.5μs
MTBF > 50000hours > 50000hours
Power Supply DC 12V 2A DC 12V 2A
Power Consumption < 10 Watt < 10 Watt
Impendence 50 ohm 50 ohm


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