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Would You Like More Information on the DreamBox 7020Si Satellite Receiver

Well, you're in luck, because listed in this article I have some superb information about the DreamBox 7020Si (Satellite Reciever) as well as a few other receivers that are available online. All of these receivers are made in China and have incredible quality. They look, act, and feel exactly like the real deal. Remember kids, just because something is cheaper than it is other places, doesn't necessarily mean it's cheaper in quality! Take eBay for example, they have some of the best prices anywhere and it is very rare to go there and find a real junker. Same goes with these receivers! Plus, all the receivers listed below have not only a really nice price tag and some spectacular specs but, they also have been reviewed very highly! Alright, let's get the show on the road. First things first:

DreamBox 7020Si (Satellite Receiver) -
The is the Dreambox 7020 Si digital satellite receiver with full Ethernet communication capabilities. Power PC driven with Linux operating system for endless possibilities, 250 MHz PowerPC Processor(350 Mips). Anything with Linux is considered the way to go these days. If it doesn't have a Linux then there is something seriously wrong, and you need to move on and see what else you can find!

Specs-
-Linux open source (most parts under the terms of GPL)
-Integrated Compact Flash Interface Slot
-1 x DVB Common-Interface Slot
-2 x Smartcard-Reader
-MPEG2 Hardware decoding (fully DVB compliant)
-Supports Linux Standard API (Direct-FB, Linux-FB, LIRC)
-Big LC-Display
-USB Port
-10/100 MBit compatible Ethernet Interface
-Modem
-12V switch cinch
-V.24/RS232 Interface
-Common NIM DVB-S
-32 MByte Flash
-Channel-change time 1 second
-96 MByte RAM
-Unlimited channel lists for TV/Radio
-Integrated IDE UDMA66 Interface
-Supports directly bouquet-lists
-Support for internal HDD in any capacity
-Full automatic service scan
-Supports EPG (electronic program guide)
-Supports multiple LNB-Switching control (supports DiSEqC)
-RF modulator
-S/PDIF Interface for digital bit stream out (AC-3)
-Supports own videotext
-Audio/Video cinch out
-Fully adaptable OSD in many languages and skin-support
-2 x Scart-interfaces
-MINI-DIN connector for extern IR (send)
-DreamBox DM7020Si Parts

OpenBox 800X Satelite -
The OpenBox 800X digital satellite receiver has been tested for over 10 months by hundreds of users and turned out to be one of the most reliable products. The OpenBox 800X digital satellite receiver is a new highly stable and reliable hardware product based on a new thoroughly tested hardware platform which has proved to be extremely safe and efficient even after months of heavy tests under extreme loads.

Specs -
-4500 programmable channels
-On-screen display in 8 languages
-1 x RCA dla AC3
-2 x SCART
-DiSEqC 1.0/1.2
-Teletext
-EPG support
-Symbol Rate 1~45Mbauds
-Zoom - 4:3, 16:9 Format
-MPEG 2 / DVB compatible
-Timer, clock
-950-2150 MHz range
-Lists of favourite programs
-SCPC/MCPC, C/Ku- Band
-2 x RCA Audio
-1 x CA Slot

Relook 200S -
Relook 200S is a very popular receiver and extremely easy to use with lots of features.

Specs -
-Set all values for searching programs in one menu page
-Satellite List by exclusive RCU button
-Subtitle & Teletext (OSD)
-Aspect Ratio: 4:3, 16:9
-LINUX open source (some parts under the terms of GPL, accordingly expandable)
-4,000 Channels Programmable
-Powerful Channel Sorting and Grouping
-Favorite Channel Lists for TV
-Parental Control & Radio and Video Mode
-"ETHERNET SUPPORTED"

All of the products within this article have received highly rated reviews amongst people that have either tested out the products or that have bought the products, so any of these products would be a great thing to look into buying! Good luck in your purchases.

CDMA and OFDM - The Convergence of Wireless Mobile Services

By Setyo Budianto

Up until the end of the 20th century, there was a fairly clear division between the cellular industry and other telecommunication industries which offered basic telephone, television, radio, computer and Internet services. Most mobile operators used second generation (2G) digital wireless technologies to enable voice communications and limited data services, while most wireline, cable and satellite systems provided the bulk of the other telecommunication services. In spite of its initial limitations, cellular communications has been a tremendous success, surpassing fixed line connections worldwide in 2001,just 12 years after its market introduction. This has been especially evident in developing markets where, due to its lower deployment costs and greater network flexibility, wireless technologies have become the primary means of communication for millions of people, spurring the economic and social development of these markets.

Since the beginning of the 21st century, there has been a dramatic shift in the market dynamics of telecommunications services. With the introduction of third generation (3G) IMT-2000 technologies based on CDMA, wireless operators have been able to offer high-quality voice services as well as broadband Internet access and multimedia services, blurring the boundaries between the telecom industries. Service providers and regulators across both developed and developing markets have been quick to adopt and promote the technologies. As a result, a tremendous momentum has been built behind the deployment and adoption of the 3G CDMA services. In the 7 years since its introduction in 2000, over 460 operators have launched CDMA2000 and WCDMA systems surpassing a half a billion users by September 2007. The adoption of 3G mobile broadband technologies, such as CDMA2000 1xEV-DO and HSPA, has also accelerated, reaching 270 commercial systems serving more than 100 million users in 165 countries.

Yet again, the wireless industry stands at the crossroads of selecting capabilities and services to take it well into the future. These new dimensions include: the proliferation of voice, video, television, broadband Internet and value-added data services; integration amongst wireless and fixed networks to enable the seamless delivery of these services over multiple networks; improved user experience and economics, and; convergence of industries such as telecommunications, information and broadcasting.

The next-generation of IMT systems based on CDMA and Orthogonal Frequency Division Multiple (OFDM) technologies, along with OFDM-based broadcast technologies such as DVB-H, FLO and ISDB-T, will be key enablers of this transition. In particular, CDMA2000 EV-DO Revision B (Rev. B), HSPA+, Ultra Mobile Broadband (UMB), Long Term Evolution (LTE), and Mobile WiMAX (802.16m) are capable of providing the performance characteristics that will support multi-megabit-per-second data delivery to users, carrier-grade VoIP and other real-time and broadband intensive applications (Figure 1).

With significant market momentum and large economies of scale and scope, 3G CDMA technologies will continue to be the leading platform for mobile communications, including next-generation broadband services, well beyond the year 2020. Nevertheless, some incumbent operators and new service providers are considering the purchase of additional spectrum and deployment OFDM-based systems.

Regardless of the operator's approach and existing technology roadmap, it is becoming evident that a "one network fits all" strategy will not suffice in future competitive markets. Selecting alternate technologies will be very dependent upon an operator's unique set of circumstances, including market opportunities, assigned licenses, available spectrum, previous technology selections, vendor relationships and propensity for risk. In other words, service providers will choose the path and technologies that best meets their market and economic requirements.

From its inception, the CDMA technology roadmap has provided operators with technology-leading performance capabilities and a time-to-market advantage. Thanks to CDMA's forward-and-backward compatible technology upgrades within the 1.25 MHz CDMA radio channel, CDMA operators have benefited from the favorable economics of an evolutionary "in-band" solution. As a result they have been able to deploy new technologies and value-added services throughout their entire network much faster than their competitors.

The CDMA2000 family of technologies is strongly positioned to remain a vital component of the convergence revolution. With the commercial availability of CDMA2000 1xEV-DO Revision A(Rev. A) in 2006 and multi-carrier EV-DO, or EV-DO Revision B (Rev. B) in 2008 to provide additional capacity via a simple software upgrade, CDMA2000 operators will be able to offer multi-megabit-per-second average data rates to individual users while leveraging the large economies of scale and scope that the CDMA2000 industry offers.

OFDM-based solutions will be built-out over time as the demand for high-capacity broadband services grows and wider bandwidth spectrum becomes available. Meanwhile, 3G CDMA solutions will coexist with these higher-bandwidth OFDM-based solutions until OFDM-based technologies are fully capable of delivering an equivalent or better value proposition to the end user, including ubiquitous coverage, compelling broadband services, carrier-grade VoIP replacing circuit-switched voice services, affordable devices, global roaming and an improved profitability for operators.

It is expected that the coexistence of CDMA and OFDM-based solutions will persist well beyond 2020. Until then, 3G CDMA-based solutions will remain the core business for hundreds of operators. Once the adoption criteria are met, the more than 3-4 billion wireless subscribers in the world will begin migrating to the newer generation of wireless technologies. With an ever increasing subscriber base, the migration process is lengthening.

The "one technology fits all" approach will not suffice in the future competitive telecommunications market. Instead, operators will leverage the most appropriate technology for a particular application or service. Bluetooth will support the personal area network, NFC will enable mobile commerce, Wi-Fi will satisfy local area network connectivity, GPS will enable presence and location-based services, 2G and 3G cellular technologies will provide ubiquitous voice and broadband data services, and OFDM-based technologies will provide large amounts of bandwidth for backhaul, broadcast and broadband applications in "hot-zones."

For most operators, 3G CDMA-based technologies will be more than sufficient for their voice and broadband data requirements for the at least a decade. For those operators that require higher amounts of bandwidth especially in high-traffic areas, OFDM-based technologies offer certain economic benefits and will enable them to complement their services, features and coverage. In most instances, however, 3G CDMA will remain the leading and most economical platform for the delivery of mobile broadband services.

OFDM-based solutions will be built-out over time as the demand for broadband services grows and spectrum becomes available. Mass adoption of these wide-bandwidth OFDM-based solutions will take years, as coverage is expanded and economies of scale are built. Meanwhile, CDMA2000 will continue to be the core business for hundreds of operators for well over a decade and play a key role in the future of the wireless industry.

DSL, Cable, Satellite, Or 4G - Comparison For Broadband Internet Service and HDTV

Telephone, Internet, and TV service are now routinely bundled by service providers. It is convenient to have a single supplier and one bill a month. With the availability of VoIP (Voice over Internet Protocol), the lines between the different services have blurred further.

Broadband Internet service (High Speed) for residential or small business requirements has usually been available from two sources: DSL, a system that piggybacked on the telephone wiring from the telephone company, or Cable, a system that similarly piggybacked on the cable TV wiring. In 2008, about 25 million customers utilized cable broadband, and about 22 million customers utilized DSL. In 2001, a total of about 5 million customers used either cable broadband or DSL.

For most people the TV coaxial cable has offered better performance than DSL, but if you were highly price conscious, then the DSL cable may have been competitive. So, in a discussion of broadband choices, we should include cable and DSL, but we will also discuss new options that are now available like WildBlue satellite, and services that will soon be available like WiMax (WiFi with a city-wide hot-spot) and ViaSat (satellite communications on steroids).

The Impact of Video Downloads (especially HDTV):

Despite the relatively small number of users, research indicates that systems such as BitTorrent and YouTube account for more than half of all Internet traffic. In 1995 the total amount of data transacted over the Internet backbone was about 1.5 million GB. By 2006, this had grown to over 700 million GB.

ABI Research projects that the number of video downloads to increase from 215 million downloads this year (2008) to 2.4 billion downloads in 2012. This number becomes more impressive when one takes into account that a much higher per cent of those downloads in 2012 will be HDTV files, which are much larger (A non HDTV movie is approximately 3 GB/Hour, HDTV file size is dependent on encoding: an MPEG-4 encoded HDTV movie file size is approximately 5 GB/Hour, an unencoded 1280 X 720 movie file size is over 150 GB/Hour, and an unencoded 1920 X 1080 movie file size is over 350 GB/Hour).

By 2010, forecasts call for 80-90% of Internet traffic to be video transfer.

Cable and the Phone Companies (DSL):

Cable broadband is capable of about 30 MBPS of bandwidth, however, speed can vary. Unfortunately, the measurement in real-world conditions can be more complicated. If many people in your neighborhood use the same broadband service as you, and those people use a lot of bandwidth, for video downloads for example, then you will be sharing some resources, and your performance will suffer. Most service providers offer service with between 3-6 MBPS bandwidth for downloads. Upload bandwidth is lower: usually between 200-600 KBPS.

Median DSL speed in the U.S. is 768 KBPS. One type of DSL technology, VDSL, is capable of 30 MBPS bandwidth, but this service is not widely available. Instead, telephone companies more commonly offer ADSL or SDSL services (cheaper and slower).

Both Cable Broadband and DSL service providers commonly employ bandwidth caps for residential and small business customers. Service providers concerned about the overall capability of their network may institute the capacity constraints so that they can provide equal performance to all of their customers.

Cable and the Phone Companies HDTV:

Verizon is building fiber-optic networks that will be capable of broadcasting handle 200+ HDTV channels in addition to all of the conventional TV channels.

Most cable operators have enough available bandwidth for only about 10-12 HDTV channels without a major retooling of their networks.

WiMax and LTE:

In major metropolitan areas in the U.S., WiMax should available late in 2008. Sprint will make its commercial WiMAX debut in Baltimore in September. WiMax supports peak data speeds of about 20 MBPS, but, as with most broadband technologies, that bandwidth will be shared amongst users. On average, a user will see data rates between 1 MBPS and 4 MBPS.

Most major wireless carriers are skipping WiMax, planning instead to build out networks using a similar technology called Long Term Evolution (LTE), a successor to current cellular technology. WiMax has a head start on LTE, which won't be ready until 2010. These two technologies are referred to as 4G networks (Current state of the art mobile phone technology for accessing the Internet is called 3G). If mobile broadband service is important to you, these products will be very attractive. Unlike rivals GSM and CDMA, both 4G networks are based on "Orthogonal Frequency Division Multiplexing" (OFDM), also sometimes referred to as "discrete multi-tone modulation". Since both LTE and WiMax are based on similar technology, a unified standard is possible in theory, and discussions are ongoing. Motorola has said 85% of the technology and work for WiMax equipment will be reused in its designs for LTE equipment.

WiMAX and LTE can deliver large amounts of bandwidth operating at the low power levels necessary for mobile devices. Another advantage of WiMax/LTE is its ability to communicate out of line-of-sight (unlike conventional WiFi), and to communicate into large buildings, in theory making dropped calls, typical of today's cell phones, a thing of the past. A company called MobiTV will utilize the WiMAX network for the broadcast of TV, including HDTV. VoIP (telephone service) has already been deployed on WiMAX networks in other parts of the world.

Satellite Broadband:

Also newly introduced into the Broadband market, is WildBlue Satellite. This broadband service does not require a phone or cable line. WildBlue Satellite broadband service offers download/upload speeds starting at just $50 per month (512 kbps download speed with upload speed up to 128 kbps), or $80 per month (1.5 Mbps download speed and uploads up to 256 kbps). For those living in areas not well served by Cable Broadband and DSL, this is an attractive alternative. iNetVu offers a portable system for vehicles.

A very powerful new satellite, Viasat-1, will launch in 2011. This satellite will greatly improve the competitiveness of satellite in this field. ViaSat-1 has a total throughput capability of over 100 Gb/second, which is more capacity than the current American fleet of two-way C, Ka, and Ku band satellites combined. In 2010, a similar service will be launed in Europe by Ka-Sat.

Both WildBlue and ViaSat terminals use a networking technology that uses satellite bandwidth more efficiently, called DOCSIS (Data Over Cable Service Interface Specifications), lowering the cost of Internet service to consumers. The terminals include satellite modems and Ka band transceivers. DOCSIS has the ability to address "rain fade", a reduction in signal that is caused by heavy cloud cover, like during a thunderstorm. DOCSIS automatically responds to a reduced signal caused by atmospheric conditions with variable power control and data encoding techniques.

ViaSat-1 will offer more than a 10X increase in the capacity with frequency reuse by utilizing a technique called "SpotBeams" (WildBlue also uses SpotBeams). The high throughout of ViaSat-1 makes it ideal for transmitting new video applications requiring ultra high bit rates such as HDTV, HD digital cinema, and 3D TV. Spotbeams can be compared to a searchlight. SpotBeams focus a signal on an area 100 to 200 miles across. Thge same frequencies can be be reused many time, but for a different focus area.

WildBlue and ViaSat are geosynchronous satellites. A geosynchronous satellite remains above the same spot on the earth by orbiting at approximately 36,000 kilometers above the equator. Your signal must do a round-trip, and the minimum time for such a trip is about 1/4 second.

Satellite HDTV:

While HDTV local channels are more available on cable than satellite, DirecTV and the Dish Network each offer more national HDTV channels. DirecTV offers about 60 national HDTV channels and the Dish Network has about 50 HDTV channels. DirecTV and EchoStar plan additional satellites to offer at least 150 national HD channels, as well as local stations in HDTV.

"Satellite's going to be constrained not so much by how many channels they can carry than by how many they can get," Bob Scherman, Satellite Business News.

By 2010, it is projected that 60% of TV receivers will use a Satellite signal, up from 15% in 2002.
Summary:

Median DSL speed in the U.S. is 768 KBPS.
Median Internet speed over Cable broadband is about 4.5 MBPS.
WildBlue service is approximately 500 KBPS.
WiMax service will be between 1 MBPS and 4 MBPS.
ViaSat-1 service (2011) will be about 2 MBPS.

By Brian Bradshaw

HDTV service is currently more fully served by the satellite TV companies like DirectV and Dish Network. New systems being implemented by Verizon, or perhaps a thorough retooling by local cable TV operators will offer the best competition.

The supply of HDTV and Broadband service in the U.S. is currently fragmented from the satellite industry. Both may be available from local retailers, but a unified system is lacking. This compares poorly to Europe and EutelSat, which will launch Ka-Sat in 2010 (Ka-Sat is very similar to ViaSat-1, discussed above), and install this satellite in a satellite "neighborhood", so that a single system will receive both the TV signals from their HotBird satellite system, and receive high performance broadband from Ka-Sat. This is unfortunate for U.S. consumers.

Currently, over 90% of customers of broadband services utilize either cable broadband or DSL. However, new worthy competition is entering the fray, and it will be difficult for those services to maintain their market share.

Expense Optimization Can Reduce Your Telecom - Spend For Your Business

Expense Optimization, the third part of this series explaining Telecom Expense Management, details how it can make your telecom spend provide peak Return On Investment. Obviously you want your company to spend its money wisely, and TEM can assure that you don't squander it on useless or redundant services or assets.

Once your telecom assets are under control you still have the task of making sure that the expenditures you are making are the most cost effective. Analyzing the data and implementing changes from the collected information is the key to controlling your costs. In this case, it can be said "too much information isn't enough." One can always use more information about telecom spend to reduce waste.

Each month your rates and tariffs must be looked over and evaluated. Optimization needs to be an on-going process with TEM. From the "big picture" to the smallest detail, the documentation and accountability factor must be present for proper management of your telecom expenditures. Any discrepancies or errors should be resolved immediately in order to prevent further waste.

Finally, detailed and comprehensive Cost and Usage reports generated by the TEM team allows them to analyze telecom spend by location, service type, and cost-per-employee to aid in optimizing Telecom Management. Each business is unique, of course, so its needs will vary as well. But once cost and accounting is controlled, proper tools for reporting are employed, and the company's telecom usage history is determined, it can be adjusted to fit the requirements of the company.

Robert is currently working for Integrity Communications, a business specializing in Telecom Expense Magagement. He lives in eastern Kansas. A retired police dispatcher, he now resides in the country with his wife and 2 of his 3 sons. Toss in a couple of dogs and a few cats and you have the rest of the crew. He is a freelance writer who has created articles on subjects such as police work, scanners and 2-way radios, motorcycles and motorcycle painting, promotional advertising products and marketing. Click here to see some of the offerings from Integrity Communications.

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