Print Page - Moteino RFM95 - switch freq to 868

Title: Moteino RFM95 - switch freq to 868
Post by: d00m178 on April 30, 2021, 07:23:19 AM

hi

just want to get some clarification.
I have moteino's with rfm95 which works on 915Mhz.
Recently I start experience some issues with send-receive data via LoRa and I think its because of new GSM stations that has been installed near my devices.
So I want to check 868 band.

As far I understand due to description:

Quotethere are no 868Mhz specific units offered, but will ship 915Mhz units for 868Mhz orders. Here is why: There is only 1 passive component value difference between the two versions and open air testing reveals no significant signal strength difference using 915Mhz units with 868Mhz settings.

if I need switch to 868Mhz I just need

Code Select

setFrequency(868.0); into RH_RF95.cpp

?

Title: Re: Moteino RFM95 - switch freq to 868
Post by: Felix on April 30, 2021, 10:18:16 AM

Just call this in your sketch

Code Select

rf95.setFrequency(868.0);

Title: Re: Moteino RFM95 - switch freq to 868
Post by: d00m178 on May 09, 2021, 01:59:42 AM

thank you

I suppose also I need change antenna for 868?
with old antenna (for 915) - it will not work well?

Title: Re: Moteino RFM95 - switch freq to 868
Post by: Felix on May 10, 2021, 10:56:03 AM

it will work, albeit not as well as a perfectly tuned antenna.

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Hardware support => Moteino => Topic started by: d00m178 on April 30, 2021, 07:23:19 AM