Test condition:clear and open area, antenna gain: 5dBi,antenna height: 2.5m
Interface
1.5mm
-
Communication Interface
UART
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Outter size
15*12.3mm
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RF interface
IPEX
Equivalent impedance : 50Ω
Weight
0.9g
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Product Description
Pin Defination
Pin No.
Item
Direction
Description
1
GND
-
GND
2
IO2
Input/Output
GPIO2; Can be used as UART1_TX when flashing
3
IO0
Input/Output
GPIO0;SPI_CS2;
4
IO4
Input/Output
GPIO4
5
IO5
Input/Output
GPIO5
6
RXD0
Input/Output
GPIO3;Can be used as UART1_TX when flashing
7
TXD0
Input/Output
GPIO1; SPI_CS1;Can be used as UART1_TX when flashing
8
RST
Input
External reset signal (low level valid), reset module; The pull-up resistor is connected to the inside of the module
9
IO16
Input/Output
GPIO16; Deep sleep wake-up
10
ADC
Input
TOUT;ADC port (Note: ADC port port inside the chip) can be used to detect the input in voltage of the VDD3P3 (Pin3, Pin4) supply voltage and the TOUT (Pin6) (both of which cannot be used at the same time)
11
EN
Input
Chip enables end, high level: effective, chip works properly;Low level: Chip closed , small current., and the pull-up resistor is connected inside the module
12
IO14
Input/Output
GPIO14; HSPI_CLK
13
IO12
Input/Output
GPIO12;HSPI_MISO
14
IO13
Input/Output
GPIO13; HSPI_MOSI; UART0_CTS
15
IO15
Input/Output
GPIO15; HSPI_CS;UART0_RTS; Resistance is connected to ground in the inside of the module
16
VCC
-
Module power:2.7~3.3V
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