Homebridge-RPi-RTS, a plugin to control Somfy RTS devices (shutters, blinds, awnings, ...) with a Raspberry Pi and a simple 433 MHz transmitter. Details and disclaimer in the comments. : r/homebridge
Generic SOMFY RTS 433.42MHz Remote Control Rolling Code 2 Channel | Jumia Nigeria
Rolling code glitch · Issue #25 · Nickduino/Pi-Somfy · GitHub
Roller shutter remote control compatible with Somfy Keytis 2, 4 RTS, Keygo, Telis 433MHz | Walmart Canada
La télécommande compatible SOMFY KEYGO RTS
X2 Remplacement de la telecommande universelle pour Somfy KeyGo 4 RTS les modeles de telecommande 433,2MHz Rolling Code - Cdiscount Bricolage
Multi-Frequency Fixed & Rolling code Duplicator 315 418 433 868 280-868.35MHz. | eBay