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Wednesday 6 June 2012

Choosing the Best International Cell Phone Service for You

Choosing the Best International Cell Phone Service for You
 
Use the information in this article to understand and choose which is the best strategy for you to get international cell phone service.
Bottom line - there is no perfect solution. Not today. This will improve, just the same way that domestic roaming improved in the second half of the 1980s.
Part 4 of an 8 part series - click for Parts One  Two  Three  Four  Five  Six  Seven  Eight

 
There are essentially four different options available to you for cell phone service while traveling internationally.
Each has some pluses and minuses, and none of them are a 'perfect' one size fits all solution for everyone.
This article summarizes the differences and then helps you choose which is best for your needs.
Option 1 : Using Your US GSM Service
If you have already have a GSM phone that you use in the US (T-Mobile, Cingular, and some AT&T phones) and if the phone is a 'tri-band' international phone, then you can probably use your current phone internationally.
Often you will find that you may need to ask the phone company to update your account to allow for international roaming, but once you've done that, you can then use it in a foreign country as easily as in the US.
This is probably the most costly option if you use your phone much while traveling, but if you don't use it, then there is no extra cost involved at all.
Option 2 : Renting a Phone and Service
This is the most expensive of the four options, because you're paying for another middle man as part of the process.
Renting a phone is a sensible option if you travel very infrequently, and have no special 'power user' type needs. If all you want is an 'emergency contact' type phone that probably you'll never actually use, this is an easy solution.
If you expect to be renting a phone several times over a couple of years, it is probably cheaper and better to purchase a phone. Rental phones also tend to be under-featured; if you're wanting the latest and greatest options, you'll probably have to buy a phone rather than rely on a rental phone.
People considering renting a phone should consider the very low cost $49 Mobal product as an alternative.
Option 3 : Buying a Phone with HopAbroad, Riiing or Mobal service
If you travel internationally once a year or more, and if you visit several different countries, while not staying in any individual country for an extended period of time, and if you will use your phone from time to time, then one of these options is probably your best choice, and is the best trade-off between convenience and cost.
Because its per minute rates are usually lowest, Riiing is a better choice if you're doing a lot of calling.  But Mobal is a better choice if your calls are very infrequent, because it has no minimum annual fees.
Option 4 : Buying a Phone and Individual SIMs
If you travel regularly to a particular country, and/or if you are going to be staying in one country for an extended period of time, then buying a pre-paid SIM that gives you local service for that specific country is probably your best choice, and presents as definitely the lowest cost per minute of airtime (often incoming calls might be free and outgoing local calls may be less than 20c a minute).
Using individual SIMs for each country will also probably enable you to use all the features of the local network such as data services as well as simple voice services, but make sure that the phone you're using is able to support these advanced services.
There is no reason why you can't buy half a dozen different SIMs for half a dozen different countries and change SIMs every time you change countries. The only disadvantage is that it makes it difficult for people calling you to know which number to call you at, and you have to remember many different phone numbers and be juggling many different accounts, ensuring that none of them expire or run out of credit.
Decision Matrix
Here are a series of questions, the answers to which help to suggest which would be your best strategy.
On a piece of paper, draw up four columns - one for each of the four strategies. And then, for each of the questions below, write the number of points into each column for your answer.
If the answer to a question is 'I don't know/I'm not sure/I don't care' then just skip the question entirely.
When you've answered as many questions as you can, add up the points in each column. The more points that each strategy column obtains, the more likely it is to be the more sensible solution for you.
Finally, you should do what you're most comfortable with. Use this to guide and influence your decision, but don't allow it to over-rule your personal preference.

 
Question US Svc Rental Hop
Riiing
Mobal Local SIM
Do you already have US GSM service and an international tri-band phone?
     If No, score     4   4 5   4
Do you already have an international GSM cell phone (but not US GSM service)?
     If Yes, score       5 4   5
Do you travel internationally at least once a year?
     If Yes, score   1     2 1   2
     If No, score     4   5  
Do you visit one country or multiple countries?
     If multiple countries, score   2   2   2 2  
Importance of making it easy for US callers to phone you inexpensively
     If important, score   3    1 2  
Importance of making it easy for US callers to have only one number to remember to phone you at
     If important, score   2     2 2  
Importance of making it easy (inexpensive and a local call) for callers in the country you're visiting to phone you
     If important, score           4
Which is more important to you - a convenient solution or an inexpensive solution
     If convenience most important, score   4   1   2 3  
     If cost most important, score     1   2 1   3
Will you be using your telephone a lot while traveling
     If a lot, score     1   2     3
     If a little, score   2   2   2 2  
Are you planning one visit or many to this/these country(-ies)
     If one visit, score   1   1   1 1  
     If many visits, score           1
Will you have short stays or long stays in the countries you visit
     If short stay(s), score   1   1   2 2  
     If long stay(s), score       1     2
Do you need extra services such as data, internet access, etc
     If yes, score   2  2       3
 
TOTALS          
Question US Svc Rental Hop
Riiing
Mobal Local
Summary and Recommendation
The above table is intended as a general guide only. The relative scores we suggest for each feature may not match the importance to you of each feature. For this reason, treat the final totals as being very approximate, and feel free to rewrite the scoring to more closely match your own needs.
Additionally, if there are any 'must have' features or services that you require, you should carefully check to make sure that your preferred option can provide these for you.
Even after you've completed this research and made your choice, you're unlikely to have a 'perfect' solution. Sure, you've hopefully identified the best-for-you solution from the four imperfect alternatives, but whatever your choice, it is still going to be more expensive than it should be.
This situation will likely improve over the next few years, just the same way that domestic roaming has evolved in the US. In the mid 1980s, if you traveled to another service provider's network, you often had to set up a fresh new account, plus perhaps pay a daily roaming fee, and people had to dial very complicated special numbers to find your phone, with these numbers changing every time you moved to a different city or state. Now, domestic roaming is automatic and 'invisible' - and also affordable. Let's hope the same evolution occurs internationally, too.
Riiing the usual best choice
For most people with average requirements, and the expectation of traveling abroad at least once every year or two, the Riiing global roaming solution is perhaps the best compromise. If you travel less frequently, then the Mobal product may be more cost effective, and if you travel regularly to a few countries, or stay in selected countries for extended periods, and plan on making extensive use of your phone, then buying local SIMs are the best approach.
If you already have US GSM service, and a tri-band phone, then simply using your present phone overseas is surely the easiest answer of all. But it will quickly also become the most expensive solution if you use your phone much, and so even if you already have US service, you might want to get your phone 'unlocked' and then use a Riiing, Mobal or local SIM with your phone.

wireless devices

A handheld marine radio.
Wireless telecommunications is the transfer of information between two or more points that are not physically connected. Distances can be short, such as a few metres for television remote control, or as far as thousands or even millions of kilometres for deep-space radio communications. It encompasses various types of fixed, mobile, and portable two-way radios, cellular telephones, personal digital assistants (PDAs), and wireless networking. Other examples of wireless technology include GPS units, Garage door openers or garage doors, wireless computer mice, keyboards and Headset (audio), headphones, radio receivers, satellite television, broadcast television and cordless telephones.

Introduction

Wireless operations permit services, such as long range communications, that are impossible or impractical to implement with the use of wires. The term is commonly used in the telecommunications industry to refer to telecommunications systems (e.g. radio transmitters and receivers, remote controls, computer networks, network terminals, etc.) which use some form of energy (e.g. radio frequency (RF),acoustic energy, etc.) to transfer information without the use of wires.[1] Information is transferred in this manner over both short and long distances.

Wireless services

Common examples of wireless equipment include:

Wireless networks

Wireless networking (i.e. the various types of unlicensed 2.4 GHz WiFi devices) is used to meet many needs. Perhaps the most common use is to connect laptop users who travel from location to location. Another common use is for mobile networks that connect via satellite. A wireless transmission method is a logical choice to network a LAN segment that must frequently change locations. The following situations justify the use of wireless technology:
  • To span a distance beyond the capabilities of typical cabling,
  • To provide a backup communications link in case of normal network failure,
  • To link portable or temporary workstations,
  • To overcome situations where normal cabling is difficult or financially impractical, or
  • To remotely connect mobile users or networks.

Modes

Wireless communications can be via:
Applications may involve point-to-point communication, point-to-multipoint communication, broadcasting, cellular networks and other wireless networks.

Cordless

The term "wireless" should not be confused with the term "cordless", which is generally used to refer to powered electrical or electronic devices that are able to operate from a portable power source (e.g. a battery pack) without any cable or cord to limit the mobility of the cordless device through a connection to the mains power supply.
Some cordless devices, such as cordless telephones, are also wireless in the sense that information is transferred from the cordless telephone to the telephone's base unit via some type of wireless communications link. This has caused some disparity in the usage of the term "cordless", for example in Digital Enhanced Cordless Telecommunications.

History

Photophone

Bell and Tainter's photophone, of 1880.
The world's first wireless telephone conversation occurred in 1880, when Alexander Graham Bell and Charles Sumner Tainter invented and patented the photophone, a telephone that conducted audio conversations wirelessly over modulated light beams (which are narrow projections of electromagnetic waves). In that distant era when utilities did not yet exist to provide electricity, and lasers had not even been conceived of in science fiction, there were no practical applications for their invention, which was highly limited by the availability of both sunlight and good weather. Similar to free space optical communication, the photophone also required a clear line of sight between its transmitter and its receiver. It would be several decades before the photophone's principles found their first practical applications in military communications and later in fiber-optic communications.

Early wireless work

David E. Hughes transmitted radio signals over a few hundred yards by means of a clockwork keyed transmitter in 1879. As this was before Maxwell's work was understood, Hughes' contemporaries dismissed his achievement as mere "Induction". In 1885, Thomas Edison used a vibrator magnet for induction transmission. In 1888, Edison deployed a system of signaling on the Lehigh Valley Railroad. In 1891, Edison obtained the wireless patent for this method using inductance (U.S. Patent 465,971).
In the history of wireless technology, the demonstration of the theory of electromagnetic waves by Heinrich Hertz in 1888 was important.[3][4] The theory of electromagnetic waves was predicted from the research of James Clerk Maxwell and Michael Faraday. Hertz demonstrated that electromagnetic waves could be transmitted and caused to travel through space at straight lines and that they were able to be received by an experimental apparatus.[3][4] The experiments were not followed up by Hertz. Jagadish Chandra Bose around this time developed an early wireless detection device and helped increase the knowledge of millimeter length electromagnetic waves.[5] Practical applications of wireless radio communication and radio remote control technology were implemented by later inventors, such as Nikola Tesla.

Radio

Marconi did transmit the first radio signal across the Atlantic.
The term "wireless" came into public use to refer to a radio receiver or transceiver (a dual purpose receiver and transmitter device), establishing its usage in the field of wireless telegraphy early on; now the term is used to describe modern wireless connections such as in cellular networks and wireless broadband Internet. It is also used in a general sense to refer to any type of operation that is implemented without the use of wires, such as "wireless remote control" or "wireless energy transfer", regardless of the specific technology (e.g. radio, infrared, ultrasonic) used. Guglielmo Marconi and Karl Ferdinand Braun were awarded the 1909 Nobel Prize for Physics for their contribution to wireless telegraphy.

Electromagnetic spectrum

Light, colors, AM and FM radio, and electronic devices make use of the electromagnetic spectrum. The frequencies of the radio spectrum that are available for use for communication are treated as a public resource and are regulated by national organizations such as the Federal Communications Commission in the USA, or Ofcom in the United Kingdom. This determines which frequency ranges can be used for what purpose and by whom. In the absence of such control or alternative arrangements such as a privatized electromagnetic spectrum, chaos might result if, for example, airlines didn't have specific frequencies to work under and an amateur radio operator were interfering with the pilot's ability to land an aircraft. Wireless communication spans the spectrum from 9 kHz to 300 GHz. Henreich Hertz was the discoverer of the electromagnetic wave, it gave a platform for further inventions in wireless communication.

Applications of wireless technology

Mobile telephones

One of the best-known examples of wireless technology is the mobile phone, also known as a cellular phone, with more than 4.6 billion mobile cellular subscriptions worldwide as of the end of 2010.[6] These wireless phones use radio waves to enable their users to make phone calls from many locations worldwide. They can be used within range of the mobile telephone site used to house the equipment required to transmit and receive the radio signals from these instruments.

Wireless data communications

Wireless data communications are an essential component of mobile computing.[7] The various available technologies differ in local availability, coverage range and performance,[8][9] and in some circumstances, users must be able to employ multiple connection types and switch between them. To simplify the experience for the user, connection manager software can be used,[10][11] or a mobile VPN deployed to handle the multiple connections as a secure, single virtual network.[12] Supporting technologies include:
Wi-Fi is a wireless local area network that enables portable computing devices to connect easily to the Internet.[13] Standardized as IEEE 802.11 a,b,g,n, Wi-Fi approaches speeds of some types of wired Ethernet. Wi-Fi has become the de facto standard for access in private homes, within offices, and at public hotspots.[14] Some businesses charge customers a monthly fee for service, while others have begun offering it for free in an effort to increase the sales of their goods.[15]
Cellular data service offers coverage within a range of 10-15 miles from the nearest cell site.[8] Speeds have increased as technologies have evolved, from earlier technologies such as GSM, CDMA and GPRS, to 3G networks such as W-CDMA, EDGE or CDMA2000.[16][17]
Mobile Satellite Communications may be used where other wireless connections are unavailable, such as in largely rural areas[18] or remote locations.[8] Satellite communications are especially important for transportation, aviation, maritime and military use.[19]

Wireless energy transfer

Wireless energy transfer is a process whereby electrical energy is transmitted from a power source to an electrical load that does not have a built-in power source, without the use of interconnecting wires.

Computer interface devices

Answering the call of customers frustrated with cord clutter, many manufactures of computer peripherals turned to wireless technology to satisfy their consumer base. Originally these units used bulky, highly limited transceivers to mediate between a computer and a keyboard and mouse, however more recent generations have used small, high quality devices, some even incorporating Bluetooth. These systems have become so ubiquitous that some users have begun complaining about a lack of wired peripherals.[who?] Wireless devices tend to have a slightly slower response time than their wired counterparts, however the gap is decreasing. Concerns about the security of wireless keyboards arose at the end of 2007, when it was revealed that Microsoft's implementation of encryption in some of its 27 MHz models was highly insecure.[20]

Categories of wireless implementations, devices and standards


 
 
touchscreen interface
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Wireless surveillance camera
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Wireless Cell Phone Email Device
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wireless computer mouse
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Wireless headphones
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3d Laptops communicating via wireless technology
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wireless Microphone
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wireless microphone
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Wireless Word and Symbol - Mobile Connection
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Wireless router
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Wireless Internet
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Wireless tower
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wireless controller
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wireless modem & router w
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wireless phone
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Wireless Internet Handshaking Concept with Tablet Computer
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Wireless Businessman
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Holding Mobile Smart Phone In Hand
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Wireless tower
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Wireless router
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Tablet PC - IPAD 2
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Two mobile devices. Wireless connect.
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Desktop computer with wireless keyboard and mouse
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Desktop computer with wireless keyboard and mouse
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Wireless Laptop
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Wireless technology
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White wireless ADSL router
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Wireless network sign over white
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Wireless Microphone
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Wireless Router
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Stove vitroceramic electric kitchen wireless
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wireless head phones
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Wireless Broadband Router
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Wireless Communication
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CDMA Wireless Modem
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Wireless phone
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Wireless internet access
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Wireless Pager
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802.11 Wireless
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3d man with wireless microphone
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3d Laptops communicating via wireless technology
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wireless computer mouse
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wireless computer keyboard
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Wireless
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Silver Laptop and wireless router
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Wireless Internet
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