2pcs RT18A01 RS485 Transceiver Wireless Repeater 485 Master- control 433M 868M FSK Uhf Module

Product Name: 2pcs RT18A01 RS485 Transceiver Wirele Repeater 485 Master- control 433M 868M FSK Uhf Module Package inlcuded: 2 PCS 433M 868M Multifunctional wirele RS485 transceiver Descrtion: Working voltage: DC 5V; Working current: 5-40MA Interface : RS485 Frequency: 433MHz/868MHz Transmit power: -40~+20dBm; Receiver sensitivity: -114dBm; Operating temperature: -25℃~+75℃; Transparent transmiion mode baud rate :1200 2400,4800,9600(Default),19200; AT mode configured baud rate fix is: 9600BPS; Open ground Transmiion distance : 500M Size(without ): 58.5x30x13.8mm Weight(without ):16.8g For more information, please contact me 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 (multle 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 device. the way they work as well as wired RS485 bus. Master device transmit data, devices all receive data.Any device transmit data, master device and the other devices can receive .When ever only allowed one device (master or ) to transmit data. Application PTZ Camera Modbus modbus temperature r LED Controller RS485 Relay e control, e measurement system; Wirele meter ; Smart Home,Home Automation ,Wiser Home; Acce control ; Identification system ; Data collection; IT household appliance ; Intelligence household appliance; Baby monitoring system; 433M Sucker : Applicable Frequency : 315MHz/433MHz/470MHz Gain: 5.0 dBi S.W.R. < 1.5; Input Impedance: 50 Length : 145mm Cable Type : RG174 Connector Type : SMA plug straight Cable Length : 1.5M 868M Sucker : Applicable Frequency : 868MHz/915MHz Gain: 5.0 dBi S.W.R. < 1.5; Input Impedance: 50 Length : 110mm Cable Type : RG174 Connector Type : SMA plug straight Cable Length : 1M

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