2x 100MW RS232 TTL RS232 RF Wireless Transceiver Module For Arduino UNO MEGA2560

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Product Name: 2x 100MW RS232 TTL RS232 RF Wireless Transceiver Module for Arduino UNO MEGA2560<br>Packing list:<br>2 pcs 2.4G RS232(TTL Lever) Wireless Transceiver Module;<br>Overview:<br>TB387 is based on 2.4GHz frequency band wireless transparent data-transmission module.<br>Module supports most basic AT commands: baud rate, ID number, frequency settings and inquiries; factory settings; version information.<br>When the module is in AT module, users can use serial-port to issue AT commands to set the module's parameters.<br>When the module is in transparent data transfer mode, the user transmit data, frame number data module, add packaged rowcount, and then automatically transmit , at reliable range, the module will automatically re-transmit data to ensure successful transmission.<br>Performance Parameter:<br>Working voltage: 3.3V-5.5V;<br>RS232 Interface ( 3.3V/5V TTL level)<br>Frequency range: 2402~2482MHz<br>Transmit power: 20dBm(100mw);<br>Receiver sensitivity: -87dBm;<br>Operating temperature: -40~+85 ° c;<br>Transparent transmission mode baud rate:<br>2400,4800,<br>9600（Default)<br>,14400,19200,38400,57600,115200,12800,25600<br>AT mode configured baud rate fix is: 9600;<br>Open ground Transmission distance : 400M<br>Pinout :<br>1, VDD:3.3V or 5V power supply ;<br>2, GND: Power Ground;<br>3, TXD: serial port output, Arduino or USB to serial port RXD;<br>4, RXD: serial port input, Arduino or USB to serial port TXD;<br>5, CMD: Enter PIN AT mode, active low level;<br>AT Commands Data Sheet : Please contact seller on ebay message ;<br>Typical applications：<br>2402-2482MHz ISM/SRD band systems<br>Consumer electronics<br>Access control, Attendance, Logistics<br>Smart Furniture<br>Robert<br>Wireless sensor<br>Wireless communication between Arduino and PC(Also application with other 3.3V/5V level MCU ，<br>for example: FPGA CPLD STM32 C8051 PIC AVR MSP430)<br>for this Applications you also need:  1 pcs<br>USB to ttl cable<br>; Arduino UNO/MEGA2560<br>ARDUINO Serial data Transceiver：<br>Copy the following code：<br>//----------------------------------------------------------------------//<br>// Pin 13 has an LED connected on most Arduino boards.<br>int led = 13;<br>String comdata = "";<br>void setup()<br>{<br>// initialize the digital pin as an output.<br>pinMode(led, OUTPUT);<br>Serial.begin(9600);<br>Serial.println("Hello, I am Arduino!");<br>}<br>//Serial data transceiver<br>void loop()<br>{<br>while (Serial.available() > 0)<br>{<br>digitalWrite(led, HIGH); // turn the LED on (HIGH is the voltage level)<br>comdata += char(Serial.read());<br>delay(2);<br>}<br>if (comdata.length() > 0)<br>{<br>Serial.println(comdata);<br>comdata = "";<br>}<br>digitalWrite(led, LOW); // turn the LED off by making the voltage LOW<br>}<br>//----------------------------------------------------------------------//<br>