T1/E1 COnnectivity In Mikrotik RB532

Hi all,
Bala here.
Here one of our higher end ISP customer asking for E1 connections through wireless.

Expecting your solutions for the following.

*** Can we upgrade E1 card in Mikrotik RB532, what are the procedure and full configuration?

*** What type of routerboard supporting T1/E1?

*** What type of E1 card that we have to use?

–bala