MQTT-SN v1.2

MQTT-SN v1.2 is a publish/subscribe messaging protocol for wireless sensor networks. It is aimed at embedded devices on non-TCP/IP networks, such as Zigbee, and extends MQTT beyond TCP/IP infrastructure for sensor and actuator solutions.

Source checked1/1 values · 2026-10-25

Specification

2 sources

Transports	other
Architecture	publish subscribe
Encoding	binary

Study notes

MQTT-SN is a pre-existing, publicly available specification; the document states it is not recognized or approved by a standards body such as OASIS.
The OASIS MQTT-SN Subcommittee accepted MQTT-SN Version 1.2 as an input specification and may develop documents and artefacts to clarify the protocol and provide implementation guidance.
MQTT-SN is by design related to MQTT, and integration with MQTT is a stated goal.
The document cites Zigbee as an example of a non-TCP/IP network for MQTT-SN.