Electrical characteristics:
nRF905 working band: 433/868/915MHz
Number of channels: 170
Function: transmit / receive
Frequency stabilization mode: PLL
Modulation: FSK / GMSK
Maximum output power: +10 dBm
Sensitivity:-100dBm
Maximum operating rate: 76.8Kbit / s
Operating voltage :2.7 - 3 .3 V