For UL CA in LTE for 2 CC is there any requirement for data split at mac layer?

Hi Experts.
For UL CA in LTE for 2 CC is there any requirement for data split at mac layer?
How it works at protocol level?
Do we require 2 tx?

Protocall wise functioning is same.
Data is splitted at rlc between pcell and scell mac.

Thanks @sadanandk2. Is it 2 tx or 1 tx required?

Hi Experts.
In your network do you have CA in LTE in Uplink?
How many CC max?
Please share experience and vendor.

UL FDD CA, only 2CC max.

Activated one, but no Traffic.

Also check this: Does any LTE UE support more than UL CA 2CC?

Please check concept of ptag and stag for ul ca.
Check for ul bw class in item 0 it need to be c.