External antenna

Discussions about RaZberry - Z-Wave board for Raspberry computer
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Joined: 08 Jun 2017 09:24
Location: Norway

External antenna

Post by paaland »

I wan't to remove the built-in and add an external antenna. But I find the instructions unclear.

Normally an antenna has two leads, one for the core and one for ground. According to instructions I can either use point 4: open hole for pig tail, or point 5 for uFL connector. But point 5 has three soildering points.

What is the correct way to add external antenna?


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Joined: 26 Jul 2015 17:29

Re: External antenna

Post by petergebruers »

An ufl socket has three pins, you have to solder the socket to those pins.. Two pads are ground. Use ufl if you already have an antenna with ufl connector crimped on. Ufl looks like a tiny coaxial connector.

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Re: External antenna

Post by PoltoS »

Or just connect a wire to 4. It should be 86 mm (for 868 MHz) or 82 (for 908/915 used in US).

Don't forget to remove the resistance connecting to the PCBA antenna to disable it

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Re: External antenna

Post by e-rook »

I did this exercise recently with piece of wire and helped with range and responsivity

http://e-rook.org/2017/10/17/razberry2- ... extension/

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Joined: 16 Oct 2018 04:06

Re: External antenna

Post by aus_fas »

Which part or where should I break the PCB, any pictures please ?

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