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Wireless RS485 Bus Master-slave Transceiver Module 433M 868M DTU Board for PTZ Camera PLC Modbus RTU Relay

Wireless RS485 Bus Master-slave Transceiver Module 433M 868M DTU Board for PTZ Camera PLC Modbus RTU Relay

Regular price $14.23 USD
Regular price $19.92 USD Sale price $14.23 USD
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Product Name: Wireless RS485 Bus Master-slave Transceiver Module 433M 868M DTU Board for PTZ Camera PLC Modbus RTU Relay
 
 
 
Package inlcuded:
1 PCS 433M/868M Multifunctional wireless RS485 transceiver
 
 
Description:

Working voltage: 4.5V-5.5V;
Interface : RS485
Frequency: 433MHz/868MHz
Transmit power: -40~+20dBm;
Receiver sensitivity: -114dBm;
Operating temperature: -25℃~+75℃;
Transparent transmission mode baud rate :1200 2400,4800,9600(Default),19200;
AT mode configured baud rate fix is: 9600BPS;
Open ground Transmission distance : 500M
Size(without antenna): 58.5x30x13.8mm
Weight(without antenna):17g
 

Recommend to buy more than 2pcs!!!


How to use (>=2pcs):

1 2PCS,Module 1 and Module 2 send data to each other.

2 3PCS,Module 1 sends data, module 2 acts as a repeater (multiple repeaters can be used), and module 3 receives data; delay sending and receiving distance.

3 >=3PCS,One as master device, the other as will be as slave device.
the way they work as well as wired RS485 bus. Master device transmit data, Slave devices all receive data.Any slave device transmit data, master device and the other slave devices can receive .When ever only allowed one device (master or slave) to transmit data.





 
 
 
 
Application

PTZ Camera
Modbus modbus temperature sensor
LED Controller
RS485 Relay
Remote control, remote measurement system;
Wireless meter ;
Smart Home,Home Automation ,Wiser Home;
Access control ;
Identification system ;
Data collection;
IT household appliance ;
Intelligence household appliance;
Baby monitoring system;
Thermometer
 


 
 
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