2PCS RT18A01 RS485 Transceiver Wireless Repeater 485 Master-slave Control 433M 868M FSK Uhf Module for PTZ Camera PLC Modbus RTU
Specifications:
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
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;
Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 1-3cm differences due to manual measurement.
Package Include:
2x RS485 Transceiver Wireless Repeater