Intelligent transport systems. Communication access for land mobiles (CALM). Millimetre wave air interface1 Scope This International Standard covers the open systems interconnection (OSI) Layer 1 physical layer (PHY) air interface for a communications medium operating in the 60 GHz millimetric frequency range by providing the parameters for medium range, medium to high speed wireless communications in the ITS sector. It specifies the parameters required to interface the Layer 1 of such a system to the communications access for land mobiles (CALM)

BS EN 14511-3 specifies the test methods for the rating and performance of various types of space heaters and coolers

Sulfur dioxide is known for its aggressiveness towards steel and other metal alloys

PD R009-001:1999 defines the interpretation and use of Safety Integrity Levels (SIL) in safety-related electronic systems for railway applications

lies fully within the tolerances specified in this standard as given by the values given in 6

Note 1: Floor plates for bridge decks belong to the scope of EN 15050 and are not covered by BS EN 13747

a more modular language structure

Crash protection regulations for working at height

and which covers fire detection and activation of fire detection systems (Sub system 4)

other specific International Standards apply (for instance

It gives principles and application rules for designing structures for specified requirements in respect of the load bearing function and the levels of performance

The technical changes as compared to the previous edition published in 2009 are:

mechanical performance requirements and environmental performance requirements