• 2 modulation mode: 1. Basic Rate with GFSK (Gaussian Frequency Shift Keying); 2. Enhanced Data Rate with PSK(π/4-DQPSK and 8DPSK)
  • Power control is optional. Devices with power control capability optimizes the output power in a physical link with LMP commands (see Link Manager Protocol). It is done by measuring RSSI and reporting back if the transmission power shall be increased or decreased if possible.


http://www.ccs.neu.edu/home/noubir/Courses/CSU610/S06/bluetooth.pdf — Protocol Architecture, Packet Format & States

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