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For controlling SONOFF Zigbee products such as BASICZBR3, S31 Lite Zb in the system
automation , integration of a CC2531 USB dongle is recommended.
The CC2531 USB dongle is a fully operational USB device that provides a PC interface to applications
IEEE802.15.4 / ZigBee, comes with a CC2531ZNP-Prod firmware,
the dongle can be directly connected to PC / Raspberry etc.
Used as a Zigbee packet sniffer.
Yes, it is a ready to use CC2531 USB dongle for zigbee2mqtt application
How to integrate SONOFF Zigbee products into your home automation system?
For more information, refer to the zigbee2mqtt.io website
Features :
Flashed with CC2531ZNP-Prod firmware for the zigbee2mqtt application
Brings out 8 IO connectors
Debugging interface
Size: 5.6 * 1.6 * 0.7cm
Two buttons and two LEDs for user interaction



Data sheet
Specific References