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WifiWall 4Dev Technical Details

Product size: 56.2 X 31.3mm

The major parts: ESP32 +

USB+ Speaker + 1.44 LCD etc

Work Frequency: 2.4GHZ

 

Working voltage: 3.7V

Operating power: 0.22W

(working current: 57mA)

 

stand-by power: 0.03W

(Standby current: 8mA)

 

Return loss: <-10dB

 

Total efficiency: >75%(-1.25dB)

 

Impedance: 50Ω