OK, looks good, but for people who already have a low cost rflink (homemade with prototyping pcb and chinese arduino reflashed), the gateway price could be a killer. ~30€ only for a gateway to control xiaomi devices, when with a cheap rflink you can interact with much more devices brands... However, ...

Hi,
Could you be more specific :
- what frequency is this device using (433Mhz?)?
- what type of device is OK with xiaomi ? RFXCOM or RFLINK?

What do you mean by you need a bridge ?

Thanks.

Hi,
I bought a DS-4 V1.0 low cost door sensor from Aliexpress, and now get it working as it should in Domoticz (openmediavault plugin) + RFLINK (R45 firmware).
I posted a video on how to proceed:
https://www.youtube.com/watch?v=Oq-hN-RJ2sA
if that helps.