Aastra NeXspan C, Installation Manual

Page: 14 / 196

Page 14 01/2007 AMT/PTD/PBX/0020/2/4/EN
• case 2: ¨B1, B2, and B3 are base stations, each with its own radio area. Each time a
cordless handset is located at the intersection of these three areas, it recognises the
three base stations with the same radio level.
• case 3: B1, B2, and B3 are remote base stations located 30 to 50 cm from each other.
They constitute a single radio area. B4 and B5, are base stations, each with its own radio
area. Each time a cordless handset is located at the intersection of these three areas, it
recognises the five base stations with the same radio level.
• Radio coverage:
The radio coverage of a site is the area where a cordless handset user must be able to transmit
and receive calls. Radio coverage can be indoors or outdoors, and on a horizontal or vertical
plane.
B1
B2
B3
B4
B5
B1
B2
B3
Building A
Building B
Building C
Radio coverage