Simplify the following text for a Grade 7 native English-speaking person.
Original: In Europe , Asia , Australia , New Zealand and South America , the frequency band from 1880 MHz to 1900 MMHz is used .
Simplified: The original DECT frequency band ( 1880 MHzâ `` 1900 MHz ) is used in all countries in Europe . Outside Europe , it is used in most of Asia , Australia and South America .