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Quantum Wireless Blog » FAQ http://www.quantum-wireless.com/blog Thu, 09 Feb 2012 17:01:37 +0000 en hourly 1 http://wordpress.org/?v=3.3 Contact us for Wholesale Opportunities! http://www.quantum-wireless.com/blog/contact-us-for-wholesale-opportunities-8037/ http://www.quantum-wireless.com/blog/contact-us-for-wholesale-opportunities-8037/#comments Mon, 23 Jan 2012 17:30:39 +0000 Yannick Schwarz http://www.quantum-wireless.com/blog/?p=8037

Quantum also provides customizable wireless solutions to wholesale customers!

Our personalized customer service also applies to our valued wholesale customers, that is why we have a specialized sales person & tech expert dedicated to all our wholesale customers.

Dave has been with Quantum for more than a year and has, since the beginning taken charge of our wholesale support system.
He has a perfect knowledge of our whole catalog of products and will be able to answer any of your questions regarding technical specifications, installation or system optimization and our sales policy.

Our portfolio of wholesale customers is growing consistently and we are looking forward to working with you.

To enjoy low prices, expert advice and any additional inquiries, please contact us and ask for Dave at 1-877-259-4629 or e-mail him at dave@quantum-co.com.

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Network Online with Quantum http://www.quantum-wireless.com/blog/network-online-with-quantum-7798/ http://www.quantum-wireless.com/blog/network-online-with-quantum-7798/#comments Wed, 07 Dec 2011 20:43:41 +0000 Joshua Wiesenfeld http://www.quantum-wireless.com/blog/?p=7798

Today, it seems that everyone is plugged into the digital space. This is a good thing, because whether you’re on Facebook, LinkedIn, Google+, or Twitter, it’s easy to keep tabs on everybody’s favorite wireless solutions provider, Quantum Wireless.

Facebook is a good place to start. In between Farmville sessions and perusing your 2nd cousin’s birthday pictures, check out the latest updates and special offers at the Quantum Facebook page. If you’re too avant garde for Facebook and prefer Google+ we’ve got something for you too. Our Google+ page is a great way to educate yourself regarding our company happenings and product info.

Real go-getters often feel they don’t have time for the sheer volume of information conventional social networking sites have to offer. For them, there is Twitter. Don’t worry – Quantum has a Twitter page too. In addition, professionals would do well to check out our page on LinkedIn for regularly updated job openings at Quantum.

Social Networking sites are powerful tools. Use them to stay updated on special promotions, job openings, product developments, and more at Quantum Wireless.

 

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Are Cradlepoint Routers Compatible with 4G? http://www.quantum-wireless.com/blog/are-cradlepoint-routers-compatible-with-4g-6725/ http://www.quantum-wireless.com/blog/are-cradlepoint-routers-compatible-with-4g-6725/#comments Wed, 30 Mar 2011 17:34:38 +0000 Moshe Lehmann http://www.quantum-wireless.com/blog/?p=6725

All Cradlepoint routers on the market today tout 3G and 4G compatibility. Cradlepoint released firmware upgrades for all their current products enabling connection with 4G networks and incorporating 4G connectivity with all their new devices. If you purchased one of their current models before the upgrade you can download the latest updates on the Cradlepoint website.

Essentially, these routers redirect the signal coming from the modem which the user connects it with. For 4G speeds, your modem must be 4G-capable. Once you have a 4G modem, the only issue is getting the router itself to redirect those high speeds. With the firmware upgrades, that will be taken care of.

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Which MiFi Will Work With My Carrier? http://www.quantum-wireless.com/blog/which-mifi-will-work-with-my-carrier-6712/ http://www.quantum-wireless.com/blog/which-mifi-will-work-with-my-carrier-6712/#comments Wed, 30 Mar 2011 16:31:33 +0000 Moshe Lehmann http://www.quantum-wireless.com/blog/?p=6712

There are MiFi devices out there for every carrier, network, and bandwidth. The real question is, which model is compatible with your service provider? Each major carrier uses its own system design for its cellular network and therefore builds its devices according to specific compatibility requirements. Meaning, a Verizon phone is not built the same way as one from AT&T. One obvious manifestation of this: Verizon phones don’t use SIM cards while AT&T phones do.

So when constructing MiFi devices, Novatel Wireless (the creator of the device) had to build distinct models for each cellular network. The MiFi 2352 and MiFi 2372 are GSM-compatible devices which operate on networks like T-Mobile and AT&T. These run on data SIM cards, the same cards found in T-Mobile and AT&T cell phones. You can even transfer your SIM card directly from your phone into your MiFi.

The Unlocked MiFi 2200, on the other hand, is built for CDMA networks including Sprint and Verizon. The Verizon MiFi 2200, as its name suggests, works only on Verizon’s network. These MiFi models don’t use SIM technology and come with their own data plans.

So, when buying a MiFi, double check that the model you’re surveying is compatible with your service provider and their network. That will help you avoid the frustration of returning a dysfunctional product and trying to find one that will really work. Be smart and do your homework before you make a purchase.

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Will the MiFi Give Me Free Internet? http://www.quantum-wireless.com/blog/will-the-mifi-give-me-free-internet-6419/ http://www.quantum-wireless.com/blog/will-the-mifi-give-me-free-internet-6419/#comments Mon, 21 Mar 2011 21:04:18 +0000 Moshe Lehmann http://www.quantum-wireless.com/blog/?p=6419

In a word, no, although you may not have to pay more than you are already paying for your cell phone data plan. MiFi devices use cellular networks to connect wirelessly to the internet, the same way your smartphone would. In fact, MiFi devices utilize the very same data SIM cards that cell phones do. If you are not a Verizon user, you can even use the same SIM card in your phone to connect your MiFi. Verizon phones run on a CDMA network and do not use SIM cards. Therefore Verizon MiFi models carry other, pre-installed data units.

The same way you pay for a data plan on your cell phone, you have to pay for internet on the MiFi. If you already pay for your phone’s data plan, you can save money by taking your SIM card out of your phone and inserting it in the MiFi, thus eliminating the need to pay additional fees. Verizon MiFi models each have their own data plans which you would pay for separately.

MiFi devices allow you to take internet you would otherwise only have on your phone and share it with up to five devices, like laptops and tablets. A MiFi will work anywhere you get cellular coverage so you’ll have the security of knowing that wherever you go, you’ll have a personal, secure internet connection.

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Quantum Releases a Cell Phone Amplifier Table http://www.quantum-wireless.com/blog/quantum-releases-a-cell-phone-amplifier-table-3187/ http://www.quantum-wireless.com/blog/quantum-releases-a-cell-phone-amplifier-table-3187/#comments Mon, 12 Oct 2009 18:42:03 +0000 admin http://www.quantum-wireless.com/blog/?p=3187

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When Your Apartment is a Cell Phone Dead Zone http://www.quantum-wireless.com/blog/when-your-apartment-is-a-cell-phone-dead-zone-3069/ http://www.quantum-wireless.com/blog/when-your-apartment-is-a-cell-phone-dead-zone-3069/#comments Wed, 16 Sep 2009 20:52:24 +0000 admin http://www.quantum-wireless.com/blog/?p=3069

apartment

Your new apartment can be perfect : great location, all the space you need and more. But then you go to make a phone call and you discover : no cell phone service. Your apartment may be a cell phone dead zone. That situation is bad enough if you also have a landline, but if you rely primarily on your cell phone, no reception can be a major issue.

No service isn’t exactly a reason to break your lease, but living a dead zone can create some problems. There are a few steps you can take to make the situation more tolerable. You can come up with several approaches to make sure you don’t miss important phone calls: if expecting a call on your cell phone (office number) you can either forward the call to your home phone, sit in the car on the street to take the call, or sit outside on your porch. Otherwise, you can either make all calls from home phone or from your car when you are out and about driving.

Forwarding your cell phone to your home phone number is generally your most reliable bet for making sure you don’t miss any calls to your cell phone. Beyond the forwarding option, you may have considered a cellular repeater. Cell phone repeaters act as amplifiers for cell phones. Most of the repeaters on the market aren’t exactly a good deal. And every time the technology changes — every few years, lately — the current types of repeaters become obsolete. But in some situations, it can be worth paying for a new cellular repeater.

Beyond these options, the only way to get cell phone service in some places is demolish the building and start from scratch. I doubt your landlord will go for that approach !

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What Exactly is a Cell Phone Dead Zone ? http://www.quantum-wireless.com/blog/what-exactly-is-a-cell-phone-dead-zone-3074/ http://www.quantum-wireless.com/blog/what-exactly-is-a-cell-phone-dead-zone-3074/#comments Wed, 16 Sep 2009 20:47:32 +0000 admin http://www.quantum-wireless.com/blog/?p=3074

rural-area-house

Areas where cell phones cannot transmit to a nearby cell site, base station, or repeater are known as dead zones. Dead zones are usually areas where cell phone service is not available because the signal between the handset and the cell site antenna is blocked, usually by hilly terrain, excessive foliage, physical distance, or tall buildings.

A number of factors can create dead zones which may exist even in locations in which a wireless carrier offers coverage, due to limitations in cellular network architecture (the locations of antenna), limited network density, interference with other cell sites, and topography. Since cell phones rely on radio waves, and radio waves travel though the air and are easily attenuated, cell phones may be unreliable at times. Like other radio transmissions, cell phone calls can be interrupted by large buildings, terrain, trees, or other objects between the phone and the nearest base station antennas.

Many wireless service providers work continually to improve and upgrade their networks in order to minimize dropped calls, access failures, and dead zones (which they rather call “coverage holes” or “no-service areas”). In fact, experiencing too many dropped calls is a common customer complaint received by wireless service providers. They have attempted to address the complaint in various ways, including expansion of their home network coverage, increased cell capacity, and offering refunds for individual dropped calls.

Various signal booster systems are manufactured to reduce problems due to dropped calls and dead zones. Many options, such as wireless units and antennas, are intended to aid in strengthening weak signals including Wi-Ex zBoost and Wilson Electronics product lines.

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Six Tips to Identify a Quality Cellular Amplifier http://www.quantum-wireless.com/blog/six-tips-to-identify-a-quality-cellular-amplifier-2907/ http://www.quantum-wireless.com/blog/six-tips-to-identify-a-quality-cellular-amplifier-2907/#comments Tue, 08 Sep 2009 15:07:09 +0000 admin http://www.quantum-wireless.com/blog/?p=2907

cellphone-user

With a lack of industry standards in the cellular amplifier market, Wilson Electronics outlines six tips for selecting a quality amplifier to reduce dropped calls, increase data rates and ensure cellular signals  stay within reach.

  1. Bi-directional amplification :  Select an amplifier that is bi-directional, meaning an amplifier that boosts both the cell site’s incoming downlink signal and outgoing uplink signal.  Some  amplifiers on the market only boost the downlink signal to the phone, with no amplification  of the uplink signal. In this scenario, users will show an increase in bars and might be able to  receive calls, but will not have the power to reach back to the cell site for a reliable call. High power uplink amplification yields two benefits – better call reliability and longer battery life.
  2. High downlink receiver sensitivity:  Receiver sensitivity is an amplifier’s ability to pick up weak signals that a typical cell phone may not hear. The higher the receiver sensitivity an amplifier can provide the better. Buyer beware, some amplifier manufacturers claiming to have high receiver sensitivity are touting numbers collected in perfect cellular signal scenarios.  Quality amplifiers are tested in real world, weak signal, environments to ensure unsurpassed receiver sensitivity.
  3. High uplink output power: The lack of output power from the phone to the cell site is the reason most dropped calls occur.  Lowering output power is the easy and low-quality method to prevent oscillation and to keep costs down through less expensive components and simpler designs.  By cutting these corners, many amplifiers on the market today deliver less output power than a typical cell phone or data card. Higher output power, with no corners cut, ensures the strongest possible cellular connection.
  4. Oscillation detection and shutdown: Similar to a microphone being too close to a speaker, oscillation, also known as feedback, can be attributed to improper installation.  However, improper design of a wireless amplifier can also be the cause.  This oscillation can make cell sites shut down, violating FCC regulations.  A violation could lead to fines imposed by the FCC and confiscation of a user’s amplifier. An amplifier that has a reliable and proven method of quickly and automatically detecting oscillation and shutting down when needed will protect both the cell site and the user.
  5. Cell site overload protection: A quality amplifier is capable of monitoring proximity to a cell tower and automatically adjusts its output power to accommodate this change in distance.  An amplifier operating at full power when too close to a cell tower will overload the site and impair service to a large number of users. Like oscillation, cell site overload can lead to intervention by the cellular operator and the FCC, as well as put the user at risk to costly fines and amplifier confiscation.
  6. 100 percent customer satisfaction guaranteed: Identify a company that stands behind its products and be skeptical of sellers and manufacturers that do not offer a 30 days money back guarantee. A company that stands behind its products and offers extended customer services to the end user, such as a U.S. based tech support helpline, is a good indicator that the product is of high quality.

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What are the reasons for weak cell phone signal ? http://www.quantum-wireless.com/blog/faq-what-are-the-reasons-for-weak-cell-phone-signal-1977/ http://www.quantum-wireless.com/blog/faq-what-are-the-reasons-for-weak-cell-phone-signal-1977/#comments Mon, 17 Aug 2009 21:53:43 +0000 admin http://www.quantum-wireless.com/blog/?p=1977

rural area

1. Rural areas

In many rural areas the housing density is too low to make construction of a new base station commercially viable. In these cases it is unlikely that the service provider will do anything to improve reception, due to the high cost of erecting a new tower. As a result, the only way to obtain strong cell phone signal in these areas is usually to install a home cellular repeater. In flat rural areas the signal is unlikely to suffer from multipath interference, so will just be heavily attenuated by the distance. In these cases the installation of a cellular repeater will generally massively increase signal strength just due to the amplifier, even a great distance from the broadcast towers.

2. Building construction material

Some construction materials very rapidly attenuate cell phone signal strength. Older buildings, such as churches, which use lead in their roofing material will very effectively block any signal. Any building which has a significant thickness of concrete or amount of metal used in its production will attenuate the signal. Concrete floors are often poured onto a metal pan which completely blocks most radio signals. Some solid foam insulation and some fiberglass insulation used in roofs or exterior walls has foil backing, which can reduce transmittance. Energy efficient windows and metal window screens are also very effective at blocking radio signals. Some materials have peaks in their absorption spectra which massively decrease signal strength.

3. Building size

Large buildings, such as warehouses, hospitals and factories, often have no cellular reception further than a few meters from the outside wall. Low signal strength is also often the case in underground areas such as basements and in shops and restaurants located towards the centre of shopping malls. This is caused by both the fact that the signal is attenuated heavily as it enters the building and the interference as the signal is reflected by the objects inside the building. For this reason in these cases an external antenna is usually desirable.

4. Multipath interference

Even in urban areas which usually have strong cellular signals throughout, there are often dead zones caused by destructive interference of waves which have taken different paths (caused by the signal bouncing off buildings etc.). These usually have an area of a few blocks and will usually only affect one of the two frequency ranges used by cell phones. This is because the different wavelengths of the different frequencies interfere destructively at different points. Directional antennas are very helpful at overcoming this since they can be placed at points of constructive interference and aligned so as not to receive the destructive signal.

5. Diffraction and general attenuation

The longer wavelengths have the advantage of being able to diffract to a greater degree so are less reliant on line of sight to obtain a good signal, but still attenuate significantly. Because the frequencies which cell phones use are too high to reflect off the ionosphere as shortwave radio waves do, cell phone waves cannot travel via the ionospohere.

For more information, call us at 1-877-259-4629 or send us an e-mail at Sales@Quantum-Wireless.com

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