SMAKN NRF24L01 a serial port to USB/Labview PC/Wireless Solution Electronic Devices A single transmission efficient bytes: 1-31 bytes. Bytes 0 system, packet length for each transmission statistics; Such as serial port to send "123" (ASCII, 3 bytes), the actual transmission bytes 0 to 3, and the receiver should be according to the actual processing bytes of data to determine the length of the received data packets. Module baud rate: 4800960 0144 00192 00384 00576 00115 200.