Thanks for the tip, ill check it out, im trying now with a sensor from Clas Ohlson, but it aint coming up in device list.
http://www.clasohlson.com/no/Temperaturgiver-hygrometer/36-1797

This sensor is not working here with RFXCOM, but it's working with RFLink.

I use a couple of these with my ...

Bought the premium app and the Moto 360 2nd gen I ordered today can't arrive soon enough

firmware_history.txt inside the zip file says:

FW release 433_73 07-04-2014
Forest motors added

FW release 433_72 31-03-2014
RTHN318 date/time added
UPM with temp only sensor decoded as TEMP6 sensor
Oregon3.0 with Byron SX or LWRF enabled improved
Energenie 5-gang 429.950 added
COCO GDR2 ...