1. Please set it to cal with 6Mbps first.

2. If switching to 4Mbps, please modify the following register:

const Uint8 code A7196Config[]=

{

0x2E, //TX1_REG
0x56, //TX2_REG
0xBC, //RXGAIN3_REG
0x70, //VCODEVCAL1_REG
0xDB, //VCOMODDELAY_REG
0x77, //CHSELECT_REG
};
const Uint8 code A7196_Addr2A_Config[]=
{
0x40, //page7,
};
const Uint8 code A7196_Addr38_Config[]=
{
0x30, //page5,
};

3. If you want to switch to 6Mbps again, please restore the above register.
If you want to switch to 3Mbps, please replace the following register with the second point above.

const Uint8 code A7196Config[]=
{
0x2E, //TX1_REG
0xAC, //RXGAIN3_REG
0x50, //VCODEVCAL1_REG
0xE4, //VCOMODDELAY_REG
0x57, //CHSELECT_REG
};
const Uint8 code A7196_Addr2A_Config[]=
{
0x40, //page7,
};