GREE ELECTRIC GRJWB04-J Manual - Page 5
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is attached.
Transmit frequency of EU:
WIFI: 2412-2472MHz
BLE: 2402-2480MHz
Maximum transmit power: <20dBm
4、Pin Definition
PIN
1
2
3
4
Manual
Figure2. Pin Definition
Table2. Pin Definition
Name
VCC
TX
RX
GND
4
WiFi Module User
Mode
+5V
UART_TX
UART_RX
Ground