[Ovmsdev] GPS / NMEA integration

Michael Balzer dexter at expeedo.de
Tue Dec 12 04:16:03 HKT 2017

I found a used passive antenna on ebay just slightly above the AliExpress price incl. shipping.

I'll test that antenna before trying to mod my board, but I hope support for active antennas can be added. They are really rare & expensive.


Am 11.12.2017 um 02:47 schrieb Mark Webb-Johnson:
> It is designed for passive antenna at the moment (I think they just took the default diagram for SIM5360). I have asked them to make a change in production
> version to switch to use active antenna circuit. Much easier to find active antennas, and they are half the price of the passive ones.
> The existing boards are fairly easy to ‘mod’, if required. Seems to be just a 47nH + 10R in series between antenna and VDD (3.xV).
> Or just use a passive antenna. Something like this?
>     https://www.aliexpress.com/item/Passive-GPS-antenna-Frequency-1575-42MHZ-SMA-J-connector-1-5M-SMA-GPS-Passive-Antenna-2PCS/32588132155.html

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

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