#4403: HLK-RM04 Uart Serial Port to Ethernet Wi-Fi Wireless Network Module
R240.80
Serial to WIFI module, serial to Ethernet module, Ethernet to WIFI multi-function WIFI module, serial server module.
Integrated 10 / 100M adaptive Ethernet interface, serial communication maximum baud rate up to 230.4Kbps
Built-in 360M MIPS CPU, 16M RAM and 4M FLASH and wireless baseband and RF front end and a variety of peripheral bus
Supports IEEE 802.11 b / g / n via CE and FCC, supports transparent protocol data transfer mode
Support the vast majority of WIFI encryption and algorithms, WEP / WAP-PSK / WAP2-PSK / WAPI, encryption type WEP64 / WEP128 / TKIP / AES
AT + instruction set
Optional built-in onboard or external antenna
Support wireless work in AP mode and node (station) mode
Support network protocol: TCP / UDP / ARP / ICMP / HTTP / DNS / DHCP
Support DHCP automatically obtain IP
Product Details
Pinout
No. Function Direction Explanation
1 VDD5V A 5 Power input
2 GND GND Power ground
3 GND G Serial sending
4 3.3V I 3.3V power output
5 LINK1 I/O Net gape 1 LED indicte
6 USB_P USB signal
7 USB_M USB signal
8 I2S_SD I2C DATA/GPIO
9 I2S_CLK I2C CLK/GPIO
10 GIOP0 I/O Universal GPIO
11 TXOP1 I/O Net 1 TX-P
12 TXON1 I/O Net 1 TX-N
13 RXIP2 I/O Net 2 RX-P
14 RXIN2 I/O Net 2 RX-N
15 RXIN1 I/O Net 1 RX-P
16 RXIP1 I/O Net 1 RX-P
17 TXON2 I/O Net gape 2 TX-N
18 TXOP2 I/O Net gape 2 TX-P
19 RTS_N I All function serial RTS
20 UART_RX I Simple serial RX
21 UART_TX O Simple serial TX
22 RXD I All function serial RX