# Peer-to-peer Communication nRF24L01 can send and receive up to 32 characters, but by adding an index to the sent data, it can send and receive 256 types of data. ``` Listening... Got index=7 payload=HHHHHHHHHHHHHHHHHHHHHHHHHHHHHH Got index=8 payload=IIIIIIIIIIIIIIIIIIIIIIIIIIIIII Got index=9 payload=JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ Got index=10 payload=KKKKKKKKKKKKKKKKKKKKKKKKKKKKKK Got index=11 payload=LLLLLLLLLLLLLLLLLLLLLLLLLLLLLL Got index=12 payload=MMMMMMMMMMMMMMMMMMMMMMMMMMMMMM Got index=13 payload=NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Got index=14 payload=OOOOOOOOOOOOOOOOOOOOOOOOOOOOOO Got index=15 payload=PPPPPPPPPPPPPPPPPPPPPPPPPPPPPP Got index=16 payload=QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ Got index=17 payload=RRRRRRRRRRRRRRRRRRRRRRRRRRRRRR ```