HLK-RM04 Dual Serial Port WiFi Module

HLK-RM04 Dual Serial Port WiFi Module
  • Brands Hi-link
  • Product Code:SQ9695
  • Availability: In Stock
  • $7.40
  •  
  • Ex Tax:$7.40
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Tags: WiFi Board, Wireless IOT Module, Ethernet Module, WiFi Module, Embeded Module, Serial Device, IOT Module

Description:
HLK-RM04 is a new low-cost embedded UART-ETH-WIFI module (serial port - Ethernet - Wireless network) developed by Shenzhen Hi-Link Electronic co., Ltd. This product is an embedded module based on the universal serial interface network standard, built-in TCP / IP protocol stack, enabling the user serial port, Ethernet, wireless network (wifi) interface between the conversions. Through the HLK-RM04 module, the traditional serial devices do not need to change any configuration; data can be transmitted through the Internet network and it provides a quick solution for the user’s serial devices to transfer data via Ethernet.
Products can be designed by simply connecting sensors and switches to the module IO pins ao UART inteface. Module use ralink chip wireless microcontroller, allowing designers to make serial interface to connect with their device. Hencce, the module allows designers to bring wireless application to the market in minimum of time.

Application:
Home and commercial building automation
RFID data transfer
Industrial system
Remote control
Telemetry

Features:
Network parameter:
Network protocol
          Wireless standard: IEEE 802.11n,IEEE 802.11g,IEEE 802.11b
          Wired standard: IEEE 802.3, IEEE 802.3u
Wireless transmission rate
          11n: up to 150Mbps
          11g: up to 54Mbps
          11b: up to 11Mbps
Channel: 1~14 Channel
Frequency range: 2.4GHz ~ 2.4835GHz
Transmit power: 12dBm ~ 15dBm
Ports: 2 ethernet ports, 2 serial ports, 1 USB port (host), GPIO
Interface: Serial
Antenna types: External or built-in antenna
WIFI operating mode: STA/AP/STA+AP
Wireless security:
          Wireless MAC address filtering
          Wireless safety function switch / 64/128/152 bit WEP encryption
          WPA-PSK/ WPA2-PSK, WPA/WPA2 Security Mechanism
Configuration method: Serial AT command, WEB

Serial to network
Network connection type: TCP Server/TCP Client/ UDP Server/ UDP Client
Max No. of connections under TCP/UDP Server: 20
Serial port baud rate: 50bps ~ 230400bps

Other parameters
Status Indicator: 1 status indication output
Operating Temperature: -20ºC ~ 70ºC
Operating Humidity: 10%~90%RH (Non-condensing)
Storage Temperature: -40ºC ~ 80ºC
Storage Humidity: 5%~90%RH (Non-condensing)
Frequency bandwidth: 20MHz, 40MHz, automatic
Pin Number: 28 Pin
Size: 29mm x 40mm

Package Include:
1 x HLK-RM04 Dual Serial Port WiFi Module

Antenna Features
Antenna Type External or built-in antenna
Interfaces
Interface Type Serial
Wireless Parameters
channels 1~14 Channel
Transmit Power 12dBm ~ 15dBm
Frequency 2.4GHz ~ 2.4835GHz
Protocol Wireless standard: IEEE 802.11n,IEEE 802.11g,IEEE 802.11b, Wired standard: IEEE 802.3, IEEE 802.3u
Transfer Rate 11n: up to 150Mbps, 11g: up to 54Mbps, 11b: up to 11Mbps
Bandwidth 20MHz, 40MHz, automatic
Electrical Parameters
Baud Rate 50bps ~ 230400bps (Serial Interface)
Board Parameters
Pin Count 28 Pins
Ports 2 ethernet ports, 2 serial ports, 1 USB port (host), GPIO
Physical Parameters
Size 29mm x 40mm
Environmental Conditions and Safety
Operating Temprature -20ºC ~ 70ºC
Storage temprature -40ºC ~ 80ºC
Operating humidity 10%~90%RH (Non-condensing)
Storage Humidity 5%~90%RH (Non-condensing)

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