3 Development board
3.1 Block diagram
5V to 3.3V
Voltage
regulator
Radio module
2.54mm
pin header
P3 (1X6)
Reset
Button
2.54mm pin headers
(Access to module pins)
50Ω port to
λ/4 antenna
Mini evaluation
board
RF Filter &
50Ω matching
Internal
Antenna
LEDs
Current
Measurement /
Solderbridge
2.54mm pin
header
Connector
(VDD, GND)
SMA Connector
THT
Alternate
power supply
(3.3V)
UART or SPI
(3.3V logic)
3.3V
5V
Figure 2: Block diagram
Mini evaluation board user manual version 1.3
© June 2021
www.we-online.com/wireless-connectivity
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