Specifications
AirPrime Embedded Module Hardware Integration Guide
62 Proprietary and Confidential 2130114
• Protect the USIM socket to make sure that the USIM cannot be removed
while the module/host device is powered up. For example, you could place
the socket under the battery (for portable devices); consider similar options
for other device types.
• Test your first prototype host hardware with a Comprion IT
3
USIM test device
at a suitable testing facility.
Extended AT commands
Several proprietary AT commands are available for AirPrime embedded modules
to use in hardware integration design and testing (these commands are NOT
intended for use by end users). For a list of all available commands and
descriptions of their functionality, refer to CDMA Extended AT Command
Reference (Document 2130621) for the MC57xx, or AirPrime MC8xxx Embedded
Modules Extended AT Command Reference (Document 2130616) and AirCard/
AirPrime UMTS devices Supported AT Command Reference (Document
2130617) for the MC8xxx.
Some useful commands for use in hardware integration are listed in Tabl e 5 -5
(MC57xx) and Table 5- 6 on page 63 (MC8xxx).
Table 5-5: MC57xx Extended AT commands
Command Description
Internal commands
!OEM Unlock OEM protected commands
Modem state commands
!DIAG Set diagnostic mode
!BOOTHOLD Resets modem and wait in boot loader
RF AT commands
!CHAN Set RF band and channel
!RX Turn on/off the first receiver
!RX2 Turn on/off the second receiver
!RXAGC Read Rx AGC
!RX2AGC Read second Rx AGC
!TX Enable Tx chain
!TXAGC Set Tx AGC
!KEYON Turn on transmitter
!KEYOFF Turn off transmitter
!ALLUP Turn on transmitter in all ups condition










