9.22.1.1 +SI

This command is used to query system information.

Security – Default Security for the command is: GGGG

Table 9-232. Command Syntax
Command	Description	Security
`AT+SI`	Request system information	`GGGG`
`AT+SI=<FILTER>`	Request filtered system information	`GGGG`

Table 9-233. Command Parameter Syntax
Parameter Name	Type	Description
`<FILTER>`	Integer	System information filter bitmask `0x01` – Wi-Fi memory allocation stats `0x02` – Wi-Fi packet stats `0x04` – Heap allocation stats `0x08` – Stack usage stats

Table 9-234. Response Syntax
Response	Description
`+SI:<UPTIME>`	Response

Table 9-235. Response Element Syntax
Element Name	Type	Description
`<UPTIME>`	Integer	System uptime in seconds