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6.25 KHZ -MAXIMUM SPECTRUM EFFICIENCY The demand for wireless connectivity is increasing. Emerging technologies create
 

Summary: 6.25 KHZ - MAXIMUM SPECTRUM EFFICIENCY
The demand for wireless connectivity is increasing. Emerging technologies create
applications that require instant information. Wireless SCADA solutions demand RF
channels to provide wireless connectivity. The result could be a lack of available
bandwidth particularly in large metropolitan areas. Is there a way to utilize existing
spectrum more effectively? Yes and the technology is ready today to utilize the
existing spectrum for maximum efficiency.
Until now, 6.25 kHz bandwidth was available and waiting for technology to allow its
utilization. Dataradio COR Ltd is first-to-market with VHF and UHF 6.25 kHz FCC type
approved Integra wireless modems. Dataradio provides the opportunity to take
advantage of 6.25 kHz channels.
BACKGROUND ON REFARMING
The long-term trend is clear; applications must occupy less bandwidth. The Federal
Communications Commission (FCC) began to address the issue of increasing demand
for wireless connectivity in a Report and Order (R&O) issued in 1995. The FCC
created a new narrowband channel plan in private land mobile radio (PLMR) bands
below 512 MHz and adopted a transition schedule based on the product type
acceptance process.
The first phase of the plan created a new channel plan that increased the number of
available channels. Previously, the FCC issued 25 kHz of spectrum per channel at

  

Source: Allen, Gale - Department of Electrical and Computer Engineering and Technology, Minnesota State University Mankato

 

Collections: Multidisciplinary Databases and Resources; Engineering