Manual

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 375 2015-08-03
HANDFREE_AUDIO)
OK
Difference:
In SIM800H, SIM800L, SIM808 and SIM800C-DS, channel 2 is the same with channel 0,
channel 3 is the same with channel 1.channel 4 is multiplexed.
SIM800G can not support this AT command.
21.5 AT+SGPIO
SIM800V, SIM840V,SIM800W,
SIM840W,SIM800W16,SIM840W16
SIM800H,SIM800L,SIM800,
SIM808,SIM800M64
AT+SGPIO=?
+SGPIO: (0-1),(1-11),(0-1),(0-1)
OK
AT+SGPIO=?
+SGPIO: (0-1),(1-7),(0-1),(0-1)
OK
Difference:
GPIO4 and GPIO5 only support the read operation in SIM800H, SIM800L, SIM800,
SIM800M64 and SIM808.
SIM800, SIM800M64 and SIM808 do not support GPIO1.
SIM800G and SIM800C, SIM800A, SIM800F and SIM800C-DS can not support this
command.
21.6 AT+SJDR
Jamming detection PIN takes effect only in SIM800H, SIM800L, SIM800, SIM800M64,
SIM808, SIM800C, SIM800A, SIM800F and SIM800C-DS.The Jamming detection PIN is
defined as follows.
Module Type Jamming detection PIN
SIM800H/SIM800L PIN5
SIM800/SIM800M64 PIN67
SIM808 PIN63
SIM800C PIN29
SIM800A PIN67
SIM800F PIN67
SIm800C-DS PIN29
SIM800V, SIM840V, SIM800W, SIM840W, SIM800W16 and SIM840W16 have no jamming
detection PIN to indicate JD status, only report jamming status via URC from serial port.