Comments (1)
MattWestb
commented on June 2, 2024
The ICC-A-1 module RF part is tuned for the PCB antenna so its no 110% match for one external one.
You can tying cutting the PCB line after the golden part that is exposed and soldering the antenna there and finding so good grounding for the grout path but i think you is getting the resolute that many with CC-2531 sticks have that the internal antenna is working better then the external because its not being matched to the external 50 Ohm antenna.
ESP32 antennas is working on the same frequency = OK is good quality.
Other LTE, 434 and so on it not matched and is very likely working very bad.
If you is having one device with the new Silabs module you can changing the antenna path and using the pads for the external antenna and all is OK and very power full !!
from tradfri-hacking.
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