During the tour of company headquarters Doughtery showed the delegation maps of Roadstar’s wireless “ring” of sites that relay backbone bandwidth from national providers in Ashburn such as Equinix and Savvis. That transmitted bandwidth serves scores of neighborhood sites throughout Loudoun County. These local sites serve a small area, allowing users consistency in speed and connect ability. Also important, he told the Algerian delegation is to pick the most efficient frequency for the geographic need. If an area is free of trees or other obstructions then higher frequency licensed or unlicensed frequencies can be utilized to provide higher speeds and service more users.
Dougherty also said it was very important to not only use small cells, but also different channels when you locate sites near each other.
While several of the group spoke some English, the Department of Commerce provided French-speaking interpreters for questions. The Algerians were especially impressed with the distances Dougherty was able to use the equipment. Where he said seven to ten miles was about average for some cells, several delegation members said they were fortunate to get several hundred meters with the same type of transmitters.
They told Dougherty that the prime method of wireless data delivery depended on cell phone frequencies in Algeria, but they found this method was not very fast and extremely expensive to expand to serve larger areas. A key difference between Algeria and the United States is here many companies such as Roadstar are able to serve by utilizing unlicensed frequencies. Algeria requires government licenses to use frequencies. One member said it was just a few hundred dollars per channel and Doughtery said that here, it took millions of dollars to buy bandwidth during government auctions and small businesses could not afford those costs.
The panel interrupted from time-to-time with questions about equipment size and cost, including how many towers are needed, and what frequencies work best. Dougherty said that equipment size and cost keeps coming down and that as Roadstar beings newer technology online, the former equipment used for such things as backbone transmission in the past sees utilization down the line to increase efficiencies of the entire network.
He said that towers are not always needed and pointed to the fact that while Roadstar uses some a few of them, many of the company’s radios are mounted on high rooftops such as the new Lerner building on Rt. 28 and 7, silos, barns, etc–wherever it is feasible to serve customers.
The Roadstar CEO also explained that different frequencies perform better when trying to serve problem areas such as forested subdivisions. He also said that if the FCC releases some of the frequencies now utilized by broadcast television when that service goes completely digital in a couple of years wireless broadband could be distributed more widely and at less cost to consumers.
Dougherty then passed around examples of the equipment in use by Roadstar including antennas and radios. He emphasized that today’s equipment usually has the radio electronics built into the antenna and it is just a matter of attaching category 5 or 6 Ethernet cabling to the antenna and then into a user’s computer system.
He also touched on new technologies such as “GigE” which allows wireless broadband to offer speeds rivaling fiber optic cable. He said a new service now testing could offer 1,000 megabits of service to businesses if they need it.
As part of the tour, he took the delegation to a multi-use former AT&T tower just outside Leesburg. The tower was festooned with huge cellular telephone antennae from several companies. During the trip, technicians from Nextel were climbing the tower installing new equipment.
He pointed to several small antennas on the side of the tower about the size of an encyclopedia as well as a small round antenna that is part of Roadstar’s backbone. The Algerian delegation members said the antennas were almost invisible. Later, he took the members inside a large building that once housed AT&T’s long-distance radio equipment. He indicated two small cabinets that housed Roadstar’s equipment, saying that was all the space he needed.
Roadstar has also been visited by delegations from French telecom agencies in 2005, Greek telecom regulators in 2006 and a group from Armenia last month .The company also made headlines when then Chairman of the FCC, Michael Powell and a group visited the company in 2003. Powell praised Roadstar at that time and said that it could serve as an entrepreneurial blueprint for others who might be considering providing wireless broadband.
Dougherty said he is pleased the FCC continues to send delegations to Loudoun and Roadstar because it provides an opportunity for exposure to the county’s vitality and possibility for locating business from their respective nations here.
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