E103-W11 WIFI 6 module High-speed Data Transparent Transmission
[Working frequency]：2400MHz～2480MHz
[Transmission power]：20dBm
[Communication distance]：300m
[WiFi version]：IEEE 802.11 b/g/n/ax
[Air rate]：150Mbps
[Product size]：16*24mm
[Introduction]：E103-W11 is a cost-effective serial to Wi-Fi module, small size package, working in the 2.4~2.4835GHz frequency band. The module can use the serial port to send and receive data, which reduces the threshold for wireless applications.
| Item | Pin name | I/O | Application |
| 1 | GND | Ground wire： connected to the power reference ground | |
| 2 | RST | I | Chip reset input pin: low level reset |
| 3 | ADC | I/O | GPIO NUM 20: it can be used as general GPIO by SYIO series instructions |
| 4 | IO1 | LO | GPIO NUM1, it can be used as general GPIO by SYIO series instructions |
| 5 | 102 | LO | GPIO_NUM_25 it can be used as general GPIO by SYIO series instructions |
| 6 | DATA1 | I/O | GPIO_NUM_23: it can be used as general GPIO by SYIO series instructions |
| 7 | DATAO | I/O | GPIO_NUM_22: it can be used as general GPIO by SYIO series instructions |
| 8 | H_CLK | I/O | GPIO_NUM_13: it can be used as general GPIO by SYIO series instructions |
| 9 | GND | Ground wire： connected to the power reference ground | |
| 10 | CNID | IO | GPIO_NUM_21: it can be used as general GPIO by SYIO series instructions |
| 11 | DATA3 | LO | GPIO_NUM_25: it can be used as general GPIO by SYIO series instructions |
| 12 | DATA2 | LO | GPIO_NUM_24: it can be used as general GPIO by SYIO series instructions |
| 13 | WAKE | I | Chip reset input pin: low level reset. When using: RC reset pull-up is needed |
| 14 | 103 | LO | GPIO_NUM_16: it can be used as general GPIO by SYIO series instructions |
| 15 | GND | Ground wire： connected to the power reference ground | |
| 16 | VCC | Power input | |
| 17 | UO_TXD | 0 | AT serial port： TX of the module, connecting to RX of external TTL |
| 18 | UO_RXD | I | AT serial port： RX of the module, connecting to TX of external TTL |
| 19 | PWM | LO | GPIO_NUM_45 it can be used as general GPIO by SYIO series instructions |
| 20 | MISO | LO | GPIO_NUM_3, it can be used as general GPIO by SYIO series instructions |
| 21 | MOSI | O | Modulation serial port ofE103-Wll: LOG_TX: connecting to RX of external TTL |
| 22 | CS | I | Modulation serial port ofE103-Wll: LOG_RX: connecting to TX of external TTL |
| 23 | CLK | LO | GPIO_NUM_0, it can be used as general GPIO by SYIO series instructions |
| 24 | GND | Ground wire： connected to the power reference ground |