RS485 RS232 USB Wireless Transceiver 20DBM 433M 868M Transmitter And Receiver VHF/UHF Radio Modem

Product Name: VHF/UHF Radio Modem RS485 RS232 USB Wirele Transceiver 20DBM 433M 868M Transmitter and Receiver Package inlcuded: 1 PCS 433M/868M RS485 /RS232/USB Wirele RS485 transceiver Description: Working voltage: 4.8V-9V( 2A Power Supply is Recommended) ; Interface : RS485/RS232/USB Frequency: 433MHz/868MHz Transmit power: -40~+20dBm; Receiver sensitivity: -114dBm; Operating temperature: -25℃~+75℃; Transparent transmiion mode baud rate :1200 2400,4800,9600(Default),19200,38400,57600,115200; Open ground Transmiion distance : 500M Size(without ): 80x50x31mm Weight(without ):50g For more information, please contact me Recommend to buy more than 2pcs!!! The three products of RS485/RS232/USB only have different interfaces and the same functions. Can communicate with each other, mixed use: RS485RS485, RS232RS232,USBUSB, USBRS485, USBRS232, RS485RS232 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 r LED Controller RS485/RS232 Relay Remote control, remote 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; Thermometer List of AT commands: This is a brief description of AT commands, please refer to the ''RT4AE01 AT Command Detailed Description'' manual for detailed descriptions Factory serial port : 9600 8 N 1 Send ''AT+ENABLE=1'' within three minutes ar power on to enter the AT command configuration mode Configuration completed: send ''AT+ENABLE=0'' to exit the AT command configuration mode 1 ID Query : AT+ID? Set : AT+ID=xxx (000-254) 2 Software version information Query : AT+INF? 3 working channels Query : AT+FREQ? Set : AT+FREQ=xxx(000-254) The frequency of data transmiion is 430MHz+xxx*0.1MHz (xxx is the selected working channel) 4 baud rate Query : AT+BAUD? Setting : AT+BAUD=x(0-7) 0:1200 1:2400 2:4800 3:9600 (default) 4:19200 5:38400 6:57600 7:115200 5 parity bits Query : AT+PARITY? Setting : AT+PARITY=x(0-2) 0: No parity 1: Even parity 2: Odd parity 6 Transmit power Query: AT+POWER? Setting: AT+POWER=x(0-9) 0:-40dBm 1:-16dBm 2:-10dBm 3:-5dBm 4:0dBm 5:+5dBm 6:+10dBm 7:+15dBm 8:+18dBm 9:+20dBm 7 Factory reset Set: AT+RESET 8 Reboot: Settings: AT+REPOWER About shipping
Shipping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days ar buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). 

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