SIM800 datasheet(165/380 Pages) SIMCOM

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Smart Machine Smart Decision

SIM800 Series_AT Command Manual_V1.09

165

2015-08-03

0 Disable temperature detection

1 Enable temperature detection

range from -40.00 to 95.00

Parameter Saving

Mode

AT&W_SAVE

Max

Response

Time

Reference

Note



When temperature is extremely high or low, product will power off.



URCs indicating the alert level "1" or "-1" are intended to enable the

user to take appropriate precautions, such as protecting the module

from exposure to extreme conditions, or saving or backing up data etc.

Level "2" or "-2" URCs are followed by immediate shutdown.

6.2.25 AT+CMGDA

Delete All SMS

AT+CMGDA

Delete All SMS

Response

+CMGDA: (list of supported <type>s)

+CMS ERROR: <err>

Test Command

AT+CMGDA=?

Parameter

See Write Command

Response

ERROR

+CMS ERROR: <err>

Write Command

AT+CMGDA=<t

ype>

Parameter

<type>

1) If text mode:

"DEL READ"

Delete all read messages

"DEL UNREAD" Delete all unread messages

"DEL SENT"

Delete all sent SMS

"DEL UNSENT"

Delete all unsent SMS

"DEL INBOX"

Delete all received SMS

"DEL ALL"

Delete all SMS

2) If PDU mode:

1 Delete all read messages

2 Delete all unread messages

3 Delete all sent SMS

4 Delete all unsent SMS

5 Delete all received SMS

6 Delete all SMS

SIM800 Datasheet(PDF) 165 Page - SIMCom

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