No Range for new Razberry card

[th3messenger]

So, I'm just starting out at this, hopefully I've missed something. I have the newest Razberry with a Pi 3b. I purchased a GE zwave, in-wall dimmer to get started.
I have no range at all, if the pi isn't with 2 meters from my switch I can not operate it. From about 5 meters it might work, with pretty big delay, or it might not work at all. Anything more than that and I get nothing.

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[Ericv]

This is what i have done to solve what seems to be a range issue.

Currently I have separated the Pi2 and the Razberry board. Connection between the two boards is now with jumper wires, length about 20 cm. This setup has clearly improved the range. The troublesome switch now works in the next room too.

I am looking for way to install an external antenna. Have found one for the original board, but not for the V2 board.

[brianaker]

Has anyone else found this to be true?