Examples:
Counting all unsent messages:
$MT C=U*12
$MT 12*3a
Twelve messages are unsent.
Listing a specific unsent message:
$MT L=4428826476689*7c
$MT 68692066726f6d20737761726d,4428826476689,1605639598*55
The unsent message (msg_id = 4428826476689) is returned. The hexadecimal data returned is
68692066726f6d20737761726d (in ascii = “hi from swarm”). The epoch seconds at which the
Modem received the message is 1605639598 (Date/Time = Tuesday, November 17, 2020
6:59:58 PM).
Listing all unsent messages:
$MT L=U*1d
$MT 68692066726f6d20737761726d,4428826476689,1605639598*55
$MT 686f6c6120646573646520737761726d,4428826476690,1605639664*53
Two messages are unsent and are listed with a line each.
Deleting all unsent messages:
$MT D=U*15
$MT 1*08
One message was deleted.
November 2021 Swarm M138 Modem Manual - Rev 1.00 58/77
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