{"product_id":"rt18a01-2x-rs485-master-slave-network-transceiver-wireless-repeater-fsk-433m-868m-uhf-fr","title":"RT18A01 2x RS485 Master-slave Network Transceiver Wireless Repeater FSK 433M 868M Uhf FR","description":"\u003cp\u003e\u003cspan style=\"font-size: 22px;\"\u003e\u003cspan style=\"font-family: times new roman,times,serif;\"\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eRT18A01 from eletechsup\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 22px;\"\u003e\u003cspan style=\"font-family: times new roman,times,serif;\"\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eProduct Name: 2 PCS RS485 Master-slave Network Transceiver Wireless Repeater FSK 433M 868M Uhf FR Module Board for Arduino UNO MCU STM32\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 22px;\"\u003e\u003cspan style=\"font-family: times new roman,times,serif;\"\u003ePackage inlcuded:\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"color: rgb(0, 0, 0); font-size: medium;\"\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 22px;\"\u003e\u003cspan style=\"font-family: times new roman,times,serif;\"\u003e 2 PCS 433M 868M RS485 Master-slave Network Transceiver\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"color: rgb(0, 0, 0); font-size: medium;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"color: rgb(0, 0, 0); font-size: medium;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"color: rgb(0, 0, 0); font-size: medium;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"color: rgb(0, 0, 0); font-size: medium;\"\u003e\u003cspan style=\"font-size: 22px;\"\u003e\u003cspan style=\"font-family: times new roman,times,serif;\"\u003eDescription:\u003cbr\u003e\u003cbr\u003eWorking voltage: DC 5V;\u003cbr\u003eWorking current: 6-40MA\u003cbr style=\"font-size: 20px;\"\u003eInterface : RS485\u003cbr style=\"font-size: 20px;\"\u003eFrequency: 433MHz\/868MHz\u003cbr style=\"font-size: 20px;\"\u003eTransmit power: -40~+20dBm;\u003cbr style=\"font-size: 20px;\"\u003eReceiver sensitivity: -114dBm;\u003cbr style=\"font-size: 20px;\"\u003eOperating temperature: -25℃~+75℃;\u003cbr style=\"font-size: 20px;\"\u003eTransparent transmission mode baud rate :1200 2400,4800,9600(Default),19200;\u003cbr style=\"font-size: 20px;\"\u003eAT mode configured baud rate fix is: 9600BPS;\u003cbr style=\"font-size: 20px;\"\u003eOpen ground Transmission distance : 500M\u003cbr style=\"font-size: 20px;\"\u003eSize(without antenna): 58.5x30x13.8mm\u003cbr style=\"font-size: 20px;\"\u003eWeight(without antenna):16.8g\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"color: rgb(0, 0, 0); font-size: medium;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"color: rgb(0, 0, 0); font-size: medium;\"\u003e\n\u003cdiv style=\"font-size: 14pt;\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan style=\"font-size: 22px;\"\u003e\u003cspan style=\"font-family: times new roman,times,serif;\"\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eFor more information, please contact me\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003cstrong\u003eHow to use (\u0026gt;=2pcs):\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003e1 2PCS : \u003c\/span\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eOrdinary wireless transmission\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003e,Module 1 and Module 2 send data to each other.\u003cbr\u003e \u003cbr\u003e2 3PCS : \u003c\/span\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eRelay transmission,\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003eModule 1 sends data, module 2 acts as a repeater (multiple repeaters can be used), and module 3 receives data; delay sending and receiving distance.\u003cbr\u003e \u003cbr\u003e3 \u0026gt;=3PCS: \u003c\/span\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eMaster-slave network transmission\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003e,One as master device, the other as will be as slave device.\u003cbr\u003ethe 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.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003cimg src=\"https:\/\/i.ebayimg.com\/00\/s\/MTA1MFgxMDUw\/z\/xaMAAOSwdRdhe2iN\/$_10.JPG\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003cimg src=\"https:\/\/i.ebayimg.com\/00\/s\/MTA1MFgxMDUw\/z\/8V4AAOSwwn9he2iN\/$_10.JPG\"\u003e\u003cimg src=\"https:\/\/i.ebayimg.com\/00\/s\/MTA1MFgxMDUw\/z\/CbcAAOSw1xNhe2iN\/$_10.JPG\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"color: rgb(0, 0, 0); font-size: medium;\"\u003e\u003cspan style=\"font-size: 22px;\"\u003e\u003cspan style=\"font-family: times new roman,times,serif;\"\u003e\u003cstrong style=\"font-size: 14pt;\"\u003eApplication\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003ePTZ Camera\u003cbr\u003eModbus modbus temperature sensor\u003cbr\u003eLED Controller\u003cbr\u003eRS485 Master-slave network transmission\u003cbr\u003eRemote control, remote measurement system;\u003cbr\u003eWireless meter ;\u003cbr\u003eSmart Home,Home Automation ,Wiser Home;\u003cbr\u003eAccess control ;\u003cbr\u003eIdentification system ;\u003cbr\u003eData collection;\u003cbr\u003eIT household appliance ;\u003cbr\u003eIntelligence household appliance;\u003cbr\u003eBaby monitoring system;\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"color: rgb(0, 0, 0); font-size: medium;\"\u003e \u003c\/div\u003e\n\u003cdiv style=\"color: rgb(0, 0, 0); font-size: medium;\"\u003e\n\u003cbr\u003e\u003cspan style=\"font-size: 22px;\"\u003e\u003cspan style=\"font-family: times new roman,times,serif;\"\u003e\u003cstrong\u003e433M Sucker Antenna:\u003c\/strong\u003e\u003cbr\u003e \u003cbr\u003eApplicable Frequency : 315MHz\/433MHz\/470MHz\u003cbr\u003eGain: 5.0 dBi\u003cbr\u003eS.W.R. \u0026lt; 1.5;\u003cbr\u003eInput Impedance: 50ohm\u003cbr\u003eAntenna Length : 145mm\u003cbr\u003eCable Type : RG174\u003cbr\u003eConnector Type : SMA plug straight\u003cbr\u003eCable Length : 1.5M\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e868M Sucker Antenna:\u003c\/strong\u003e\u003cbr\u003e \u003cbr\u003eApplicable Frequency : 868MHz\/915MHz\u003cbr\u003eGain: 5.0 dBi\u003cbr\u003eS.W.R. \u0026lt; 1.5;\u003cbr\u003eInput Impedance: 50ohm\u003cbr\u003eAntenna Length : 110mm\u003cbr\u003eCable Type : RG174\u003cbr\u003eConnector Type : SMA plug straight\u003cbr\u003eCable Length : 1M\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e \u003c\/div\u003e\n\u003cdiv style=\"color: rgb(0, 0, 0); font-size: medium;\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Eletechsup Original Factory Official‌ Store ","offers":[{"title":"2 PCS 433M Board","offer_id":46536974008477,"sku":"RT18A01_433M*2","price":29.99,"currency_code":"USD","in_stock":true},{"title":"2 PCS 868M Board","offer_id":46536973942941,"sku":"RT18A01_868M*2","price":29.99,"currency_code":"USD","in_stock":true},{"title":"2 PCS 433M Sucker Antenna","offer_id":46536973910173,"sku":"TB450*2","price":9.99,"currency_code":"USD","in_stock":true},{"title":"2 PCS 868M Sucker Antenna","offer_id":46536973975709,"sku":"TB451*2","price":9.99,"currency_code":"USD","in_stock":true},{"title":"1x USB to RS485 programmer","offer_id":46536974041245,"sku":"UD68B01","price":2.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/10_39a3581b-1399-4eef-90b8-b068021a923a.jpg?v=1740745057","url":"https:\/\/eletechsup.com\/products\/rt18a01-2x-rs485-master-slave-network-transceiver-wireless-repeater-fsk-433m-868m-uhf-fr","provider":"Eletechsup Ready Stock Factory Store 6-10days to Worldwide","version":"1.0","type":"link"}