Table 1 nRF24L01+ module main features [24]

Radio features

Worldwide 2.4 GHz ISM band operation

126 different RF channels

Modulation is based on GFSK (Gaussian frequency shift keying)

Adjustable data rate (250 kbps, 1 Mbps, or 2 Mbps)

Non-radio features

Programmable output power (0, − 6, − 12 or − 18 dBm)

1 to 32 bytes dynamic payload length

Enhanced ShockBurst (ESB)™ protocol

Ultra-low-power operation and 5 V input tolerance