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HLK-RM04 RT5350

wifi module HLK-RM04 With 32m ram 8M flash
ITEM ID
Retail Price:$10.00
Wholesale Price:$8.00
DETAILS
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. Provide a quick solution for the user’s serial devices to transfer data via Ethernet.
Down Datasheet here
Down Datasheet here

Picture1.F-structure
1.Summarize
Technical Specifications
Network standard
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wireless:IEEE 802.11n、IEEE 802.11g、IEEE 802.11b
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wired:IEEE 802.3、IEEE 802.3u
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Wireless transmission rate
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11n: maximum up to 150Mbps
11g: maximum up to 54Mbps 11b: maximum up to 11Mbps |
Tracks number
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1-14
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Frequency range
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2.4-2.4835G
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Emission power
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12-15DBM
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Interface
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1个10/100Mbps LAN/WAN multiplex interface、interface
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Antenna
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Antenna type
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Onboard antenna / External Antenna
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Functional Parameters
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WIFI work mode
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Client/AP/Router
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WDS Function
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Support WDS wireless bridge connection
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Wireless security
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Wireless MAC address filtering
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Wireless security function switch
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64/128/152 bit WEP encryption
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WPA-PSK/WPA2-PSK、WPA/WPA2 security mechanism
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Network management
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Remote Web management
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Configuration file import and export
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WEB software upgrade
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Serial to Network
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Maximum transmission rate
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230400bps
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TCP connection
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Max connection number>20
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UDP connection
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Max connection number>20
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Serial baud rate
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50~230400bps
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Other Parameters
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Status indicator
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Status indicator
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Environmental standard
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Operating temperature:-20-70℃
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Operating humidity:10%-90%RH
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Storage temperature:-40-80℃
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Storage humidity:5%-90%RH
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Additional properties
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Frequency bandwidth optional:20MHz、40MHz ,Auto
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2.Hardware Explanation
Mechanical Dimensions
HLK-RM04 Mechanical Dimensions is shown in the following picture:

3.Pin Interface
The Pin of this product as shown above is defined as follows


4.Electrical Characteristics
Exceeding these conditions will result in damage to the device
Parameter | Min | Max |
Module supply voltage VCC | 3.9V | 5.5V |
Module Voltage Output VO3.3 | 3.1V | 3.5 |
Module Voltage Output VO1.8 | 1.65V | 1.9 |
GPIO Voltage | 3.1V | 3.5V |
Storage temperature | -40ºC | 95ºC |
5.Typical Application Circuit


