HLK-RM04 Uart Serial Port to Ethernet Wi-Fi Wireless Network Module

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

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
 

  • N/A

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