How much 433 MHz emitted by a typical board?
Posted: Wed Apr 18, 2018 5:02 pm
For the startKIT there was a chapter on Regulatory compliance:
https://www.xmos.com/download/private/s ... 1.3%29.pdf.
Not that I was so much wiser my it. My fault. Still..
..for the eXplorerKIT there is no such chapter:
https://www.xmos.com/download/private/x ... 1.2%29.pdf
Would any such exist?
What I'm after is how much EMC might these two boards emit in the 433 MHz band? Could they be expected to compete a lot with a Semtech SX1231H?
I am using those and they send at -18 dBm (weakest, strongest is +18 dBm) and receive at about -30 to -40 dBm 1-5 metres away (they would follow to well below -100 dBm). A startKIT communicates with an eXplorerKIT. Like this this but with RFM69 boards instead of WiFi boards plugged in.
I am having issues with the messages, see What is the possibility of CRC16 collisions on 20 bytes of data? (2)
https://www.xmos.com/download/private/s ... 1.3%29.pdf.
Not that I was so much wiser my it. My fault. Still..
..for the eXplorerKIT there is no such chapter:
https://www.xmos.com/download/private/x ... 1.2%29.pdf
Would any such exist?
What I'm after is how much EMC might these two boards emit in the 433 MHz band? Could they be expected to compete a lot with a Semtech SX1231H?
I am using those and they send at -18 dBm (weakest, strongest is +18 dBm) and receive at about -30 to -40 dBm 1-5 metres away (they would follow to well below -100 dBm). A startKIT communicates with an eXplorerKIT. Like this this but with RFM69 boards instead of WiFi boards plugged in.
I am having issues with the messages, see What is the possibility of CRC16 collisions on 20 bytes of data? (2)