Maybe this is not the correct place to post this request, if so, where should it be posted?

Hi guys and gals, I have a Honewell doorbell IMG_20180329_120128.jpg Here is some dev. on the matter: https://github.com/merbanan/rtl_433 Would it be possible to add this to the RFlink project? Also, which 868MHz receiver and transmitter module (ebay or aliexpress) should I get? I cant seem to find ...