Introduction: This is an advanced article for users who would like to send AT commands to their AirCard modem using the Mac OS command screen. An alternative option is to use the application for Mac OS X, which you can download from the Internet. Symptoms: • AirCard watcher does not have options to change frequency band. • AirCard is not connecting to a specific frequency band or cellular network. Process: Ensure that the SIM card is inserted in the AirCard modem. • Insert the AirCard modem into the computer. Samsung ml-2010 mono laser printer drivers. Open the Finder window, and from the left side, select Applications.

Go to the Utilities folder and open a Terminal application. Note: Type the following command to verify that the AirCard ports are being detected: $ ls -al /dev/tty.* You will see a response similar to the following: • To open an AT command session using the screen command, use the following syntax: $ screen /dev/tty.' Port' 115200, where 'port' is the port # Here is an example for AirCard 890: $ screen /dev/tty.sierra03 115200 and hit Enter Here is the table for other AirCards: Product AT command port AirCard 306U/307U, AirCard 503/504, AirCard 308U/309U, AirCard 890 (AT&T) /dev/tty.sierra03 Note: If you have Apple native support drivers (Mac OS X 10.5.6 and up) use the following command: $ screen /dev/tty.wwancmd 115200 and hit Enter • The window changes and displays a cursor. Type the ati5 command to verify that you have connected to the AirCard modem. • To close the session, press the key combination Control plus a (Ctrl+a), and then Control plus backslash ( Ctrl+). You are prompted to close the window.

Really quit and kill all your windows? Parallels 10 for mac. (Y/N) Type Y. The session closes. • AT command reference guide Click to consult the GSM AT command reference guide which explains the basic AT commands supported by AirCard modems. We recommend reviewing the commands that provide basic GSM information: ati5, at!gstatus? To verify the bands available on the AirCard modem, use the command: at!band=? The result varies depending on the modem and the carrier.

Support / AirCard 309U (all others) AirCard 309U (all others) Model / Version: AirCard 309U (all others). AirCard Watcher Help for Mac OSX. Pick a Topic. Select a topic. Firmware and Software Downloads. Quick and easy solutions are available for you in the NETGEAR community. Ask the Community. See Recent Posts. 6: Watcher Basics • Starting and closing Watcher • Components of the Watcher Window • Interpreting icons • Online Help • Troubleshooting • Using an external Watcher is the application that allows you to manage and monitor the connection between the AirCard ExpressCard and antenna the CDMA network.

To specify a band selection, use the command at!band=0x, where 'x', is one of the numbers listed by the previous command. -to query the current frequency band AT!band=?