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GB/T 20851.1-2019 in English
Electronic toll collection—Dedicated short range communication—Part 1:Physical layer
valid
Issued on:2019-05-10
$116.00 -
YD/T 1947-2009 in English
Technical Requirement of Physical Layer for Extended Reach Ethernet based on 2D-PAM3 and 4D-PAM5
valid
Issued on:2009-06-15
$1,684.00 -
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GB/T 20851.1-2007 in English
Electronic toll collection—Dedicated short range communication—Part 1:Physical payer
superseded
Issued on:2007-04-25
$316.00 -