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Mobile Signal Repeater FAQs

Yes, our broadband repeaters are the only legal repeaters available in the EU.

Our repeaters have enhanced features that makes them pass all the required European Radio Equipment Directives, (RED). Technically, you still need permission from your mobile operator to use repeaters, but from a legal and regulatory standpoint, these new repeaters are permitted for sale and installation.

To read more about our legal repeaters, click here.

StellaDoradus is the only manufacturer of mobile repeaters based in Europe and they have been in business for more than 25 years. All the other repeaters on the market ship in from China or Taiwan, with absolutely no quality control and circuit protection for noise control.

StellaDoradus use very high quality components in their repeaters. For electronic equipment it is very important to use high quality components.

Many Chinese products are very cheap because they use inferior quality parts. Problems manifest themselves in the following areas:

  • Physical damage - parts fall off or get broken easily.
  • Electrical failure - parts overheat and blow
  • Signal quality failure - the quality of the phone call will affected.
  • Phone calls will be cut off or the voice will “break up”.
  • The phone call will be “1 way”. ie only one person can talk at a time.

All our repeaters have signal strength LEDs. These LEDs make installing the kit very easy as you can see exactly where to point the outside antenna.

The short answer is no. There have been many tests conducted over the last 30 years and no conclusive evidence has been found yet. However, if you are still concerned, it is worth noting the following:

A repeater installed in your home reduces your exposure to radiation from your phone by a factor of around 50. Normally a phone has to crank up its output power to get its signal up to the nearby operators mast. If you have a repeater installed in your house, then it only needs a little power to get its signal to the repeater. Since radiation power diminishes with the square of the distance, the repeater radiation itself is 50 times less that of a mobile phone!

No. The two defining specs of a repeater is its frequency and power. Here at StellaDoradus we have designed and built the complete range of mobile repeaters. Every frequency and power option is available.

Most mobile carriers broadcast their networks on either of the 900 or 1800 Mhz frequency bands, or both. High-speed data networks or 3G service is on the 2100MHz band. 4G is at 800Mhz, 2600Mhz or 1800Mhz, and the latest 700MHz is used by 5G in Ireland. Your repeater should match the same frequency as your mobile carrier in order to ensure compatibility. Check out the repeater search tool for information about your operator.

Repeater kits are the cheapest and most effective way to get mobile signal into your house/office.

Stella Doradus manufacture their own repeaters, which is guaranteed to boost mobile signal into your house and perform to the highest standard.

In order for the repeater to work well, it must be able to receive a good signal. It can then amplify the signal and re-transmit it indoors. The best way to check if there is enough signal available is to use the signal strength indicator on your phone. Go outside and hold the phone in the location you would like to install the outdoor antenna. Check how many signal bars you have. You should really see a minimum of 3-5 bars to be certain the repeater will work well for you.

If you do not see enough signal bars in the first location , try another location. Generally you will get more bars if you try a high location, such as the roof top.

The outdoor antenna that comes with the repeater kit is a much more powerful antenna then the one in your phone. If you have 3-5 signal bars on your phone outside, then the outdoor antenna will receive an excellent signal. The repeater will amplify this and re-transmit a clean strong signal indoors.

If you can’t find a location where your phone sees 3-5 bars, but instead sees only 1 bar, the repeater will still work. However, in this case, you must use a more powerful external parabolic antenna and a lower loss cable (LMR400). We can customize this for you. Just email us.

NOTE: If you can’t see even 1 bar, it is probably best not to buy a repeater.

All orders are shipped via express delivery and are normally delivered within 1-4 business days. Your order will be dispatched directly from our Waterford warehouse and you will be forwarded tracking information for the order after it is dispatched. If you have any questions on your order status, please contact us.

There really is no limit to how many people can use the repeater at the same time. The repeater just amplifies and re-transmits the outdoor signal being received. So, from the point of view of your phone, it does not know it is communicating through a repeater. The base station your phone is communicating with makes all the intelligent decisions such as allowing your phone onto the network etc. So, the question

“How many people can use the repeater at the same time?” should really be

“How many people can use the base station at the same time”.

The answer is many hundreds.

Yes. There is no technical expertise required to install your repeater kit. Each kit contains everything needed to improve the mobile coverage in your home/office and includes instructions that will guide you through the simple steps necessary to install your repeater.

The main reason is that the signal from the operators transmission mast to your mobile phone is blocked somehow.

Hills, trees, walls, metal (as in the car), and double glazing windows in your house all block signal. Also the signal is generally weaker far from the transmission mast, which is generally the case in rural locations.

Yes. There is no limit to the number of people who can use the repeater at the same time.

  • You can be making calls and downloading movies at the same time.
  • You can be on different operators at the same time.

The repeater allows ALL mobile signals to pass through it.

While the terms “booster” and “repeater” are sometimes used interchangeably, there are important technical differences between the two.

A booster is a device that simply amplifies a signal it receives and re-transmits it. There is typically no filtering or interference control in the device. Such devices are usually sourced at low cost through on-line markets. Boosters do not meet the required European Standards and as such cannot carry the CE mark (Even though many do so fraudulently)

A repeater also re-transmits signals it receives, however such devices include filtering and interference control which provide better coexistence with other spectrum users. Such devices meet the applicable standards and carry the CE mark.

Stelladoradus only manufactures repeaters.

There are 2 cases with regards to VAT and business.

  • If you are a business (hold a valid EU business VAT number), and reside in the same country as your chosen reseller, VAT will be added. However, you can write this VAT off your accounts at the end of year.

  • If you are a business (hold a valid EU business VAT number), and you reside in another EU country to that of the reseller you are buying from. Tax will be removed automatically.

Example: You live in Belgium but are buying from a French reseller.

In this case, VAT will be deducted from your order.