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OPEN-SMART 2.4G Wireless Serial 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 network ID number£¬ working channel and baud rate of the module through AT commands£¬ and the modules who have the same network ID number and channel 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. - Working voltage: 2.2 – 3.6VDC - Working Current: 24mA(MAX) - Working Frequency: 2.4GHz - Transmission distance: 120 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: 9600 (default)£¬ can be modified to other values by command - Operating mode: When SET pin is low£¬ it is AT command mode and it can be used to set the parameters of the module; When SET is high£¬ it is transparent mode£¬ and it can communicate with the other one which has the same network ID number and working channel. - Antenna: Built-in PCB antenna - Great for DIY