e/IEEE 802.15.4a

Information
has gloss	eng: IEEE 802.15.4a (formally called IEEE 802.15.4a-2007) is an amendment to IEEE 802.15.4 (formally called IEEE 802.15.4-2006) specifying that additional physical layers (PHYs) be added to the original standard.
lexicalization	eng: IEEE 802.15.4a
instance of	(noun) a group of people working together temporarily until some goal is achieved; "the working group was supposed to report back in two weeks" working party, working group