RT18A01 RS485 Master-slave Network Transceiver Wireless Repeater FSK 433M 868M Uhf FR Module Board for ArduinoUNO MCU ST

Manual Click here to openModule Features Long distance wireless transmission up to 500 meters in open ground and the baud rate in the air is 10kbps Working frequency range 433 458 5MHz up to 255 communication channels Maximum 100mW 20dBm transmit power 10 levels of power can be set Built in MCU use serial port to communicate with external devices  Send 31 bytes at a time The module can support one to one one to many transparent transmission communication through ID setting The receiving module can be set as a relay to extend the communication distance welding the M0 solder spot on the module Parameter NameParameter ValueParameter NameParameter ValuemodelRT18A01Module size without antenna 58 5x30x13 8mmChip modelHW3000Module size including antenna 70x30x48mmCommunication InterfaceRS 485Working frequency433 458 5MHzOperating Voltage3 2 5 5VAntenna interfaceSMACommunication level16 8gWorking humidity10 90 Transmit power 40dBm 20dBmOperating temperature 25℃ 75℃Reference distance500mStorage temperature 40℃ 85℃Transmitting transmit current4 7mA 37 8mAReceive module current20 30mA typical 26mAPackage includes 1 x Network Transceiver