Thank you, guys.

First was to make sure it was misplaced and was not a workaround because of a design issue of the Pcb.

This is where the component is installed (upper right quarter of Pcb):

http://uploads.tapatalk-cdn.com/20160608/9a205d02a99d833575aaa836db45b997.jpg

I didn't tried to power ...

I received a RFLink Gateway from Nodo Shop but looks to me like something is wrong.

Some components are misaligned but I think this one is completely off:

http://s32.postimg.org/g0ek5afk5/screenshot_34.png

My eyes aren't as good as they used to be, so I'm a little worried of being able to ...

I ordered a smoke sensor from Alixpress but I can't find the oscillator resistor or any jumper in the one I received.

Can you help me, please?

This is the RF PCB for one I received:
http://s14.postimg.org/6m67f930h/screenshot_2.png

Just as follow up for others interested in the same ...

I ordered a smoke sensor from Alixpress but I can't find the oscillator resistor or any jumper in the one I received.

Can you help me, please?

This is the RF PCB for one I received: