I am going to buy microsoft lumia 535 which has GSM + WCDMA fascility. Can i use 2 GSM cards in it?

I am going to buy microsoft lumia 535 which has GSM + WCDMA fascility. Can i use 2 GSM cards in it?

Read more: I am going to buy microsoft lumia 535 which has GSM + WCDMA fascility. Can i use 2 GSM cards in it?