The FCC Public Safety Bureau granted two waiver...
The FCC Public Safety Bureau granted two waiver requests Tuesday for Anchorage’s application for authorities to operate an IP-based land mobile data system for public safety agencies and emergency responders on the general use channels on the portion of the…
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700 MHz band designated for public safety narrowband use. Anchorage intends to integrate the new system into the existing Anchorage Wide Area Radio Network (AWARN), the bureau said. One waiver will let Anchorage operate the mobile data system using 50-kHz channels, which is beyond the 25-kHz bandwidth the FCC typically allows under its rules. The other waiver will let Anchorage obtain from CalAmp Wireless Networks, the city’s equipment vendor for the project, equipment capable of operating with a channel bandwidth greater than 25 kHz, the FCC said. Anchorage’s waiver requests fit the FCC’s requirement that “unique or unusual factual circumstances” related to the system make it “inequitable, unduly burdensome or contrary to the public interest” to enforce the rule, the bureau said. There’s “little demand” for the 700 MHz general use channels in Alaska beyond the AWARN system, and Anchorage is justified in needing to use channel bandwidths greater than 25 kHz to achieve its desired data throughput rate of 128 kbps on the new system, the bureau said. All CalAmp transmitters for the new system must comply with industry-adopted adjacent channel power emission limits, which minimize interference to adjacent channels, the bureau said (http://bit.ly/VQVMMG).