RF — Radio Frequency (APN / SIM)

Configures the modem's APN (Access Point Name) and SIM PIN for cellular data connectivity.

Format

• Query APN: >QRFA<
• Set APN: >SRFA{APN}<
• Query PIN: >QRFI<
• Set PIN: >SRFI{PIN}<

Sub-command	Description
RFA	APN (Access Point Name)
RFI	SIM PIN code

Examples

Query current APN:

>QRFA<
>RRFAmobile.example.com<

Set APN:

>SRFAmobile.example.com<

Query SIM PIN:

>QRFI<
>RRFI1234<

Set SIM PIN:

>SRFI1234<

Notes

• APN is stored persistently in the configuration database.

Related Signals

• F03 — GSM registered
• F05 — GPRS registered
• F08 — SIM inserted