Kidde RF-SM-DC

ControllableImported

Fully drivable by open code over the stock firmware.

Radio protocol decoded by rtl_433 as "Kidde RF-SM-DC wireless-interconnect smoke alarm".

Get started

One known way to put open firmware or software on this device, easiest first. Each one links to the project's own instructions.

Before you start

Back up your data and settings (and the stock firmware, when the guide says how).
Check the exact model, hardware revision and firmware version against the guide: a close model may not work.
Charge the battery or use a stable power supply; do not unplug during the install.

Use rtl_433 (nothing is flashed)

Medium

Needs a cable or the command line · rtl_433

You need: RTL-SDR USB receiver (or another SDR rtl_433 supports)
Device opened: No
Brick risk: None
Reversible: Yes

Receive only: rtl_433 decodes the radio messages the device sends; it does not change or command the device.

No install report yet. · Report how it went

Follow the official guide

OpenDeviceDB links to each project's own instructions and tools; nothing is flashed from this site. Flashing is at your own risk and may void the warranty.

ID: kidde/rf-sm-dc
Category: sensor
Vendor support: Unknown
sku: RF-SM-DC
Updated: 2026-10-17

Curate this record on GitHub JSON Claim this device

Being worked on

No live claim. If you start working on this device, claim it so nobody duplicates your work.

Interfaces

Interface	Transport	Status	Confidence	Spec / notes
433/868/915 MHz radio	rf	documented	not stated	spec

Projects

Project	Kind	Origin	License
rtl_433 decoder kidde_smoke.c	driver	community	GPL-2.0-or-later

Verification

Not verified. A "verified on hardware" badge requires a replayable test (hardware-replay) run on a real device with a stated firmware version.

Provenance

rtl_433 (GPL-2.0-or-later, fetched 2026-10-17) · about this source

AI assistance not stated.

Status and claims as of the build date (2026-10-18). Data licensed CC BY-SA 4.0; imported data keeps its upstream license.