Digi XBee 3 User Manual

Extended Socket frames Extended Socket example: TCPListener
Digi XBee® 3 Cellular LTE Cat 1 AT&T Smart Modem User Guide
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Field Value
Frame type
0x46 (Socket Listen)
Frame ID 0x01
Socket ID 0x00
Source Port 0x2711 (10001)
Socket Bind/Listen frame data:
7E 00 05 46 01 00 27 11 80
Receive a Socket Bind/Listen Response
The Socket Bind/Listen Response contains a Status. A Status of zero is a success and any other value
is an error.
Field Value
Frame type
0xC6 (Socket Listen)
Frame ID 0x01
Socket ID 0x00
Status 0x00 (Success)
Socket Bind/Listen frame received from XBee:
7E 00 04 C6 01 00 00 38
Making a connection to the listener socket
The IP of the XBee can be acquired through the MY at command.
ATMY
172.20.1.235
Using an external tool like netcat, a connection can be made to the given address.
nc -p 10001 172.20.1.235 10001
Hello XBee!
After the connection has been made, the XBee outputs a Socket New IPv4 Client frame indicating the
presence of a new client connection. It contains the listener's socket ID and the new Client Socket ID
along with the connection's remote address information.
Field Value
Frame type
0xCC (Socket New IPv4 Client)

Digi XBee 3 Specifications

General

Model	XBee 3
Category	Modem
Frequency Bands	2.4 GHz, 868 MHz, 900 MHz
Interface	UART, SPI, I2C
Operating Temperature	-40° C to +85° C
Power Supply	2.1V to 3.6V
Antenna	External or onboard
Transmit Power	up to 20 dBm
Security	AES encryption
Protocols	Zigbee, 802.15.4, DigiMesh

Summary

Getting Started with the XBee Smart Modem

Connect Hardware and Install XCTU

Step-by-step instructions for connecting hardware and installing XCTU utility.

Update Firmware and Check Connection

Procedures for updating device firmware and verifying cellular connection status.

XBee Connection Examples

Getting Started with MicroPython

MicroPython Basics and Setup

Introduction to MicroPython and setting up the environment using XCTU.

MicroPython Examples

Update the Firmware

Plan for Firmware Updates

Update Device and Cellular Firmware

Procedures for updating device and cellular firmware using XCTU.

Update Telit Modem Firmware with XFP Utility

Instructions for updating the Telit modem firmware using the XFP utility.

AT Commands Reference

Special, Cellular, and Network Commands

Reference for special, cellular, and network configuration AT commands.

I/O, Sleep, and Mode Commands

Configuration commands for I/O settings, sleep modes, and operating modes.

File System, BLE, Socket, and API Commands

Commands for file system, BLE, sockets, and API frame management.

Troubleshooting Guide

Serial Port and Driver Issues

macOS Java Errors and Bypass Mode Issues

Network, SMS, and Baud Rate Troubleshooting