One of the best features of the brother 7820n is the rapidity and the hight speed of fax transmissions , it is 2 seconds per page due to the 33.6K bps high-speed fax modem that is already equipped to the machine. The fax modem offers also a capacity of 600 pages can be stored in the memory and offers a fax broadcast to more then 250 locations and 200 auto dial numbers can be stored