SonicWave 621 Online Safety and Regulatory Guide

United States of America Authorized Channels

SonicWall declares that the 621 (FCC ID: 2AKCZ-108) when sold in the USA is limited to CH1-CH11 by specified firmware controlled in the USA.

This device is restricted to indoor use due to its operation in the 5.15GHz to 5.25GHz frequency range. The FCC requires this product to be used indoors for the frequency range 5.15GHz to 5.25GHz to reduce the potential for harmful interference to co-channel Mobile Satellite systems.

High power radars are allocated as primary users of the 5.25GHz to 5.35GHz and 5.65GHz to 5.85GHz bands. These radar stations can cause interference with this device or can cause damage to this device, or both.

The 621 device has been designed to operate with an internal antenna. Antenna is not user accessible.

Dynamic Frequency Selection (DFS) is required on all Wireless LAN Master devices (usually Access Points) and Wireless LAN Clients (usually Wireless NICs) that operate within 5470MHz – 5725MHz. SonicWaves that have these frequencies and channels enabled in this range comply with North American and International DFS requirements. Some frequencies are blocked, and cannot be selected by the user per each specific regional approval.

Specific to the USA, at the urging of the Federal Communication Commission (FCC) user/installers should avoid operation frequencies near Terminal Doppler Weather Radar (TDWR) systems frequencies 5600-5650 MHz when installing a SonicWave within 35km of line-of-site of TDWR sites. If TDWR is within 35km the SonicWave, frequencies should be set to at least 30MHz above or below any TDWR system frequency at that site. TDWR locations and specific frequencies used can be found at http://spectrumbridge.com/udrs/home.aspx. Detailed current and background information can be found at http://www.wispa.org/?page_id=2341.

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