<![CDATA[Omega 2S WiFi Antenna Design]]>Hi,

I have not found a good wifi antenna reference when designing a pcb for the omega onion 2s/+.

Would someone be able to recommend/advise on possible PCB trace schematics/designs as im looking to keep cost down.

Does the 2S dev board have a 0 (Zero) Ohm resistor connected to the Ant pin? What is the purpose of this?

Thanks,
UFD

]]>http://community.onion.io/topic/4068/omega-2s-wifi-antenna-designRSS for NodeFri, 10 Jul 2026 20:28:11 GMTSun, 08 Mar 2020 21:22:26 GMT60<![CDATA[Reply to Omega 2S WiFi Antenna Design on Sun, 08 Mar 2020 21:22:26 GMT]]>Hi,

I have not found a good wifi antenna reference when designing a pcb for the omega onion 2s/+.

Would someone be able to recommend/advise on possible PCB trace schematics/designs as im looking to keep cost down.

Does the 2S dev board have a 0 (Zero) Ohm resistor connected to the Ant pin? What is the purpose of this?

Thanks,
UFD

]]>http://community.onion.io/post/21355http://community.onion.io/post/21355Sun, 08 Mar 2020 21:22:26 GMT<![CDATA[Reply to Omega 2S WiFi Antenna Design on Mon, 09 Mar 2020 02:42:37 GMT]]>@UFD I use this antenna with my custom PCB, it works really well for me:

https://www.digikey.com.au/products/en?keywords=712-1010-1-ND

The zero Ohm resistor is on the Omega2/2+, per the docs you remove this resistor in order to use an external UFL antenna

]]>http://community.onion.io/post/21357http://community.onion.io/post/21357Mon, 09 Mar 2020 02:42:37 GMT<![CDATA[Reply to Omega 2S WiFi Antenna Design on Mon, 09 Mar 2020 09:40:21 GMT]]>Thanks will certainly consider the chip option.

I'll also try and copy the trace antenna from the dev board image as best as possible and compare results.

]]>http://community.onion.io/post/21359http://community.onion.io/post/21359Mon, 09 Mar 2020 09:40:21 GMT