Getting started with the XBee Cellular Modem Development Kit
XBee Cellular Modem examples
Digi XBee Cellular LTE Cat 1 Embedded Modem User Guide
16
XBee Cellular Modem examples
Check for cellular registration and connection
In the following examples, proper cellular network registration and address assignment must occur
successfully. The LED on the development board blinks when the XBee Cellular Modem registers to the
cellular network; see
. If the LED remains solid, registration has not occurred
properly. Registration can take several minutes.
Note
Make sure you are in an area with adequate cellular network reception or the XBee Cellular
Modem will not make the connection.
In addition to the LED confirmation, you can check the AT commands below in XCTU to check the
registration and connection. To view these commands:
1. Open XCTU and click the
Configuration working mode
button.
2. Select a device from the
Radio Modules
list. XCTU displays the current firmware settings for
that device.
3. On the Configuration toolbar, click the
Default
button
to load the default values
established by the firmware, and click
Yes
to confirm.
The relevant commands are:
Note
To search for an AT command in XCTU, use
n
AI
(Association Indication) reads zero when the device successfully registers to the cellular
network. If it reads 0x23 it is connecting to the Internet; 0x22 means it is registering to the
cellular network.
n
MY
(Module IP Address) should display a valid IP address. If it reads
0.0.0.0
, it has not
registered yet.
n
AN
is not visible on the standard settings interface, it is an advanced command. See
Send an SMS message to a phone
The XBee Cellular Modem can send and receive Short Message Service (SMS) transmissions (texts)
while in Transparent mode. This allows you to send and receive text messages to and from an SMS
capable device such as a mobile phone.
The following table explains the AT commands that you use in this example.