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Comparing ESP8266 antenna types

A project log for Smart Home in the IoT Way

ESP8266 based humidity logging and adaptive fan control, door lock detector, and more...

x-labzx-labz 09/18/2016 at 15:430 Comments

Here is the result of a quick ESP8266 antenna experiment:

Same room
( ~5m )
Next room
( ~9m )
Garage, 2 walls, 1 floor diff
( ~13-15m )
ESP 07
int. + ext. antenna
-45 dB-56 dB-85 dB
ESP 07
only ext. antenna
-40 dB-54 dB- 85 dB
ESP 07
only int. antenna
-60 dB-74 dBno connection :'(
ESP 12E
PCB antenna
-52 dB-65 dBno connection :'(

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