HLK-RM04 Uart-Wifi-Ethernet Module
199.000₫
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
HLK-RM04 Uart-Wifi-Ethernet Module
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
Picture1.F-structure
1.Summarize
Technical Specifications
| Network standard | wireless：IEEE 802.11n、IEEE 802.11g、IEEE 802.11b |
| wired：IEEE 802.3、IEEE 802.3u | |
| Wireless transmission rate | 11n: maximum up to 150Mbps 11g: maximum up to 54Mbps 11b: maximum up to 11Mbps |
| Tracks number | 1-14 |
| Frequency range | 2.4-2.4835G |
| Emission power | 12-15DBM |
| Interface | 1个10/100Mbps LAN/WAN multiplex interface、interface |
| Antenna | |
| Antenna type | Onboard antenna / External Antenna |
| Functional Parameters | |
| WIFI work mode | Client/AP/Router |
| WDS Function | Support WDS wireless bridge connection |
| Wireless security | Wireless MAC address filtering |
| Wireless security function switch | |
| 64/128/152 bit WEP encryption | |
| WPA-PSK/WPA2-PSK、WPA/WPA2 security mechanism | |
| Network management | Remote Web management |
| Configuration file import and export | |
| WEB software upgrade | |
| Serial to Network | |
| Maximum transmission rate | 230400bps |
| TCP connection | Max connection number>20 |
| UDP connection | Max connection number>20 |
| Serial baud rate | 50~230400bps |
| Other Parameters | |
| Status indicator | Status indicator |
| Environmental standard | Operating temperature：-20-70℃ |
| Operating humidity：10%-90%RH | |
| Storage temperature：-40-80℃ | |
| Storage humidity：5%-90%RH | |
| Additional properties | Frequency bandwidth optional：20MHz、40MHz ,Auto |
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 |
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