Canada’s Department of Innovation, Science and Economic Development (ISED) has published RSS-252, Issue 3 on December 12, 2025, following a public consultation on the standard for Intelligent Transportation Systems (ITS) On-Board Units operating in the 5895–5925 MHz band.
The new issue replaces RSS-252, Issue 2 and introduces a new channel allocation section (3.2), provides clarifications on transmitter power (3.3), updates unwanted emission limits (3.4), and includes additional editorial revisions.