We can work out the capacity with this frame as follows. Since the slave may
use only the odd slots, it gets 800 slots/sec, just as the master does. With an 80-bit payload, the channel capacity from the slave is 64,000 bps as is the channel capacity from the master. This capacity is exactly enough for a single full-duplex
PCM voice channel (which is why a hop rate of 1600 hops/sec was chosen). That
is, despite a raw bandwidth of 1 Mbps, a single full-duplex uncompressed voice
channel can completely saturate the piconet. The efficiency of 13% is the result
of spending 41% of the capacity on settling time, 20% on headers, and 26% on
repetition coding. This shortcoming highlights the value of the enhanced rates
and frames of more than a single slot.