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SMD 2.4G Wireless Serial Transparent Transceiver Module for Arduino
This is wireless serial transceiver module. And the frequency is 2.4GHz. There is the MCU on board with built-in encoding and decoding code and it is easy to implement remote control without pairing. You can set the ID number£¬ working frequency and baud rate of the module through AT commands£¬ and the modules who have the same ID number and operating frequency can communicate directly with each other. It is very popular for remote control systems£¬ such as wireless doorbell£¬ remote control rolling gates£¬ smart car£¬ smart home£¬ etc. It can also used to make Arduino wireless programmer. - Working voltage: 3.2 - 5.2VDC - Working Current: 21mA(MAX) - Working Frequency: 2478MHz (default)£¬ 2400MHz - 2527MHz programmable - Transmission distance: 10 meters (open area) - Logic Interface Type: UART TTL serial port - Communication format: 8N1 - AT command mode baud rate: 9600bps(Fixed value) - Transparent mode baud rate: 115200 (default)£¬ can be modified to other values by command - Operating mode: When CMD pin is low£¬ it is AT command mode and it can be used to set the parameters of the module; When CMD is high£¬ it is transparent mode£¬ at this mode£¬ when it receive data from transmitter£¬ it will be pulled down for 9ms to reset Arduino. And it can communicate with the other one which has the same ID number and working frequency. - Antenna: Built-in PCB antenna - Great for DIY