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"4-Channel 433MHz Wireless Relay Module with RS485 Interface, 800m Range, 24V DC for Smart Home & Industrial Automation"  

(Character count: 107)  

Alternative option:  
"Remote Control 4DI/4DO

<ul><li>Offers customizable settings with a dial switch for device address, RS485, wireless switch, baud rate, and channel configuration</li><li>Versatile application in PLC IO expansion, smart home systems, security monitoring, and more.</li><li>Seamlessly integrates with RT5BF01 wireless transmission module for enhanced wireless remote IO functionality</li><li>Wireless relay module enables remote control and status monitoring via RS485 or 433M wireless communication</li><li>Delivers a robust wireless frequency range of 426-508.5MHz with a transmission distance of 800-1000 meters in open spaces</li></ul>

Brand

Model

Feature:
1. [WIRELESS CONTROL] The wireless relay module can read or control the relay status via RS485 bus or 433M wireless, and can also read the input status.
2. [MATCHING DEVICES] Can be used with RT5BF01 wireless transmission module or other for N4RFA04 devices to use the wireless remote IO function.
3. [PARAMETER SETTING] The module can set 5 parameters through the dial switch, namely, device address, RS485 switch, wireless switch, baud rate and channel.
4. [WORKING RANGE] The wireless frequency range is 426-508.5MHz, the wireless transmission distance is 800-1000 meter (unobstructed open space).
5. [WIDE APPLICATION] Widely used in PLC IO expansion board, smart home, security monitoring, identification system, network camera, LED light driver, etc.

Specification:
Item Type: Wireless Relay Module
Standby Current: Default 20mA, turn off wireless transceiver function 12mA
Baud Rate: 9600 19200 38400 115200, default 9600, N, 8, 1
Wireless Working Frequency: 426MHz-508.5MHz, 16 channels, channel interval 5.5MHz, default 426MHz
Transmission Power: 20dBm
Receiving Sensitivity: -113dBm
Wireless Transmission Distance: 800-1000 meters (Unobstructed open space)
Product Size: Approx. 144 x 92 x 40.5mm / 5.7 x 3.6 x 1.6in

How to Use:
Communication interface can be installed: RS485 wireless, working independently and not interfering with each other;
You can cascade up to 63 modules by modifying the 485 address (use RS485 repeaters for more than 16).

Package List:
1 x Relay Module1 x Antenna 

Note:
In addition to the conventional RS485 control, users can also use N4RFA04 with RT5BF01 wireless transmission module for data transmission without laying too many and too long signal transmission lines. The N4RFA04 module only needs to be powered on to realize remote control. It is very convenient for users to remotely operate N4RFA04 equipment, effectively avoid rust, broken line, poor contact, etc. of the signal line, and also very convenient for users to operate N4RFA04 from a remote place.

Universal Product Code (UPC check)

"4-Channel 433MHz Wireless Relay Module with RS485 Interface, 800m Range, 24V DC for Smart Home & Industrial Automation" (Character count: 107) Alternative option: "Remote Control 4DI/4DO