Panasonic KX-NCP0158 Quick Installation Manual page 17

CS Coverage Area for Establishing Conversations Using PSs
The example below shows the size of the area where one CS can cover PSs, if it is installed in an area with
no obstacles.
Note
Radio signal strength levels are measured during the site survey (refer to "5 Site Survey Using the
KX-TCA175/KX-TCA255/KX-TCA256/KX-TCA275/KX-TCA355/KX-TD7590").
Radio Signal Strength Levels
Level: 11 to 12
Level: 08 to 10
Level: 03 to 07
Level: 01 to 02
Level: 00
A
B
Gray Zone:
Conversation will be
intermittent
Better
Good
May receive noise
Receives noise easily or disconnects
Out of range
A
B
C
C
3 Site Planning
Coverage Area
Radio signal strength level is
greater than "3".
(About 50 m to 60 m)
Good Coverage Area
Radio signal strength
level is greater than "8".
(About 30 m to 40 m)
Good sound quality
can be maintained.
Out of Service:
Cannot make/receive calls.
Quick Installation Guide 17