{"product_id":"rt38b01-vhf-uhf-radio-modem-rs485-wireless-transceiver-20dbm-433mhz-transmitter-and-receiver","title":"RT38B01 VHF\/UHF Radio Modem RS485 Wireless Transceiver 20DBM 433mhz Transmitter and Receiver","description":"\u003cdiv\u003e RT38B01 from eletechsup\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e\u003cspan style=\"font-size: 22px;\"\u003eProduct Name: VHF\/UHF Radio Modem RS485 Wireless Transceiver 20DBM 433mhz Transmitter and Receiver\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size: 14pt; font-family: verdana;\"\u003ePackage inlcuded:\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e1 PCS 433M-458M Multifunctional wireless RS485 transceiver(With shell)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H55d5fa6de6e54cbebec8afb2699f23f1H.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\n\u003cstrong\u003e\u003cspan style=\"font-size: 18pt;\"\u003eDescription:\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 18px;\"\u003eWorking voltage: 4.5V-5.5V;\u003cbr\u003eInterface : RS485\u003cbr\u003eFrequency: 433MHz\u003cbr\u003eTransmit power: -40~+20dBm;\u003cbr\u003eReceiver sensitivity: -114dBm;\u003cbr\u003eOperating temperature: -25℃~+75℃;\u003cbr\u003eTransparent transmission mode baud rate :1200 2400,4800,9600(Default),19200;\u003cbr\u003eOpen ground Transmission distance : 500M\u003cbr\u003eSize(without antenna): 74x24x16mm\u003cbr\u003eWeight(without antenna):18g\u003c\/span\u003e \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 22px;\"\u003eModule features\u003c\/span\u003e\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eLong-distance wireless transmission (up to 500 meters in open area , 10kbps baud rate in the air ) \u003cbr\u003eOperating frequency range ( 433 - 458.5MHz , up to 255 communication channels) \u003cbr\u003eMaximum 100mW ( 20dBm ) transmit power ( 10 levels of power can be set ) \u003cbr\u003eBuilt-in MCU, use serial port to communicate with external devices \u003cbr\u003eSend 31 bytes at a time \u003cbr\u003eThe module can support one-to-one, one-to-many transparent transmission communication through ID setting \u003cbr\u003eChanging the baud rate of a different serial port will synchronously change the rate at which data is sent over the air. ( 10kbps-100kbps) \u003cbr\u003eSet the ''critical three minutes''. The module can send and receive data normally within three minutes of power-on. You can send the AT command '' AT+ENABLE=1 '' to make the module enter the AT command state for parameter setting. There is only this reserved word in these three minutes. After more than three minutes, you will not be able to enter the AT command mode, you can only send and receive data, '' AT+ENABLE=1'' will also be sent out as data, there are no reserved words at this time.\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\n\u003cdiv style=\"font-size: 14pt;\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eFor more information, please contact me\u003c\/span\u003e\u003c\/span\u003e \u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size: 24px;\"\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003e\u003cspan style=\"font-size: 36px;\"\u003eRecommend to buy more than 2pcs!!!\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 22px;\"\u003eHow to use (\u0026gt;=2pcs):\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e \u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 255);\"\u003e\u003cspan style=\"font-size: 18px;\"\u003e1 2PCS,Module 1 and Module 2 send data to each other.\u003cbr\u003e\u003cbr\u003e2 \u0026gt;=3PCS,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 \u003cbr\u003e\u003cbr\u003e\u003cimg style=\"font-size: 18.6667px; color: rgb(0, 0, 0);\" src=\"https:\/\/ae01.alicdn.com\/kf\/H19a1d4ab0a8f46aeb928703b2601a250T.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Hd3c2ddf5fd3f47adb1401479731d949fD.jpg\"\u003e \u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Ha6ba90dc1c68446ea6a79bab3d30475er.jpg\"\u003e \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \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=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\n\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/span\u003e \u003cbr\u003e\u003cbr\u003ePTZ Camera \u003cbr\u003eModbus modbus temperature sensor \u003cbr\u003eLED Controller \u003cbr\u003e\u003cspan style=\"color: rgb(21, 21, 21);\"\u003eR4D3C32 N4D8B08 \u003c\/span\u003eN4D8C12 \u003cspan style=\"font-size: 16px;\"\u003eRS485 Relay\u003c\/span\u003e \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; \u003cbr\u003eThermometer\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: medium; color: rgb(0, 0, 0);\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Eletechsup Original Factory Official‌ Store ","offers":[{"title":"1PCS 433M","offer_id":46774077620381,"sku":"RT38B01","price":15.99,"currency_code":"USD","in_stock":true},{"title":"2PCS 433M","offer_id":46774077653149,"sku":"RT38B01*2","price":29.98,"currency_code":"USD","in_stock":true},{"title":"5PCS 433M","offer_id":46774077685917,"sku":"RT38B01*5","price":73.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/8622\/0189\/files\/Hb4fa5ccf8c6a431182e99d5d03db96d81.webp?v=1747120960","url":"https:\/\/eletechsup.com\/es\/products\/rt38b01-vhf-uhf-radio-modem-rs485-wireless-transceiver-20dbm-433mhz-transmitter-and-receiver","provider":"Eletechsup Ready Stock Factory Store 6-10days to Worldwide","version":"1.0","type":"link"}