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I searched in google, but I could see data is variable but maximum size is not given.

I could not find in IEEE1609.3 as well

Please help me out

AustinWBryan
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Ramana Reddy
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1 Answers1

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WSM messages have variable length payloads. The theoretical maximum is 4096 bytes because the length field is only 12 bits (4 bits out of 2 bytes are reserved).

However, the recommended variable length of a WSM, including Data, is 1400 bytes as specified in the Annex B of the standard

kemara
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