MOD0_CONFIG register
| DATARATE_M | The mantissa of the specified data rate (default: 38. |
| DATARATE_E | The exponent of the specified data rate (default: 38. |
| MOD_TYPE | Select the modulation type |
| CONST_MAP | Also known as FOUR_GFSK_CONST_MAP |
| BT_SEL | Select BT value for GFSK |
| PA_CLKON_LOCKONTX | Enable the clock on analog PA in LOCKONTX state |