New Class Acquired for RSS-248

Until September 6, 2024, the Department of Innovation, Science, and Economic Development Canada is seeking out comments on the consultation of RSS-248, issue 3, “Radio Local Area Network (RLAN) Devices Operating in the 5925-7125 MHz Band”. This standard sets out the power limits and operational requirements for a new equipment class called “very low-power devices”. Radio Standard Specification RSS-248, issue 3, Radio Local Area Network (RLAN) Devices Operating in the 5925-7125 MHz Band, sets our the certification requirements for license-exempt RLAN devices operating in the 5925-7125 MHz frequency band and replaces RSS-248, issue 2, dated December 20, 2022.

The main change is the addition of a new equipment class: very low-power devices. Definitions, power limits, and operational requirements for the new equipment class were added. Editorial changes and clarifications were made when appropriate. Very low-power device is a device employing a permanently integrated antenna and having a peer-t-peer connection capability. The suggested frequency for very low-power devices is 5925-7125 MHz. Power limits for very ow power devices are the maximum e.i.r.p. spectral density that shall not exceed -5 dBm/MHz or 14 dBm. A very low-power device shall implement transmitter power control in order to have the capability to operate at least 6 dB lower than the maximum e.i.r.p. spectral density limit. These powers levels need to be identified in the test report. Very low-power devices shall employ a contention-based protocol. Very Low power devices can be used on automobiles, trains, and maritime vessels unlike the other equipment classes covered under RSS-248. Low-power indoor access points, indoor subordinate devices, low-power client devices, and very low-power devices operating in the 5925-6425 MHz Band may be used on large aircrafts, as defined. In the Canadian Aviation Regulations, while flying above 3,048 m or 10,000 ft. In addition to the requirements outlined in section 4..8.1, the following requirements shall apply to very low-power devices. The devices shall not employ fixed outdoor infrastructure and shall prioritize operation on frequencies above 6105 MHz to 7125 MHz before operating on frequencies from 5925 MHz to 6105 MHz.

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