N PHY Radio205x Vocal

1. If PHY Revision >= 7

   1. Clear bit 1 of Radio Register 0x2b
   2. Clear bit 4 of Radio Register 0x2e
   3. Set bit 4 of Radio Register 0x2e
   4. Set bit 1 of Radio Register 0x2b

2. Else if PHY Revision >= 3

   1. Write 0 to Radio Register 0x60
   2. Write 0x38 to Radio Register 0x3e
   3. Write 0x18 to Radio Register 0x3e
   4. Write 0x38 to Radio Register 0x3e
   5. Write 0x39 to Radio Register 0x3e
3. Delay 300 usec