[Ovmsdev] External Wifi antenna

Michael Balzer dexter at expeedo.de
Sun Jan 24 02:25:08 HKT 2021


that's a very tempting option indeed, if compatible. I'm having no 
issues with Wifi, but the ESP32 V3 is very attractive (no more PSRAM 

I don't have the equipment to desolder the module though… or any 
experience with that.

Mark, any info on when the V3 modules will reach our production?


Am 23.01.21 um 19:05 schrieb Craig Leres:
> On 1/23/21 6:07 AM, Michael Balzer wrote:
>> Some info for those in need of a better Wifi signal than achievable 
>> with the builtin ESP32-WROVER antenna:
>> A friend of mine on the german Twizy forum had severe signal issues, 
>> using an external router antenna he saw an improvement of ~10 dB.
> This is pretty interesting. But rather than add a socket (and move R15 
> to R14 to switch from internal to external antenna) I'm tempted to try 
> just swapping esp32 modules. Mouser stocks the V3 revision now and the 
> ESP32-WROVER-IE comes with the u.fl connector already installed for 
> about $3. For $0.29 more I can get 16 MB SPI flash, any reason to not 
> do that?
>         Craig

Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26

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