Does my Macbook Pro supports 5 GHz Wi-Fi?

I have MacBook Pro (Retina, 15-inch, Early 2013). Does it support 5 GHz Wi-Fi?

I found the following details about Wi-Fi module there:

Broadcom BCM43xx 1.0 
802.11 a/b/g/n

If 5 GHz are supported, then will it work with 2.4 GHz in parallel?