915 Generation 2Pcs RT18A01 RS485 Transceiver Wireless Repeater 485 MasterSlave Control 433M 868M Uhf Module 433M Board

Widely used
Small size easy to use
Product Name 433M 868M Multifunctional Wireless RS485 Bus RF Serial Port UART Transceiver Module DTU for PTZ Camera PLC Modbus RTU
Interface RS485
Working voltage DC 5V Working current 5-40MA Transmit power -40~20dBm

Frequency 433MHz
Receive sensitivity -114dBm
Working temperature -25Celsius~75Celsius
Air-to-ground transmission distance 500M
Dimensions without antenna 585x30x138mm
The rate configured in AT mode is fixed as 9600BPS
Transparent transmission mode rate 1200 2400 4800 9600 default 19200
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 the master device and the other as the slave device
The way they work as as a wired RS485 bus The master device sends data and both slave devices receive data Any slave device sends data and the master device and other slave devices can receive it Previously only one device master or slave allowed to send data
ApplicationPTZ Camera Modbus modbus temperature sensor LED Controller RS485 Relay Remote control remote measurement systemWireless meter Home Automation Wiser HomeAccess control Identification system Data IT household appliance Intelligence household applianceBaby monitoring system
Colourgreen black
MaterialPCB board electronic accessories

Package Contents
2 x RS485 Wireless Transceiver

Only the above package content other products are not included
Note Light and different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is - 1-3cm