User Guide

PMP 450 Planning Guide Compliance with radio regulations
pmp-0047 (December 2012)
4-21
Country Antenn
a Gain
(dBi)
(18 dBi –
1dB cable
loss)
Combin
ed TX
Default
Setting
AP
EIRP
Limit
Combined
TX Default
Setting
AP EIRP
Limit
Device
Country
Code
Setting
10 MHz Channel
Bandwidth (dBm)
20 MHz Channel
Bandwidth (dBm)
India
17
16 36
19
36 India
Iceland
17
16 33
19
36 Iceland
Indonesia
17
16 36
19
36 Indonesia
Ireland
17
13 30 16 33 Ireland
Liechtenstein
17
16 33 19 36 Liechtenstein
Norway
17
16 33 (SM
EIRP
Limit=50)
19 36 (SM EIRP
Limit=53)
Norway
Portugal
17 16
33 19 36 Portugal
Serbia
17 16
33
19
36 Serbia
Spain
17 16
33
19
36 Spain
Switzerland
17 16
33
19
36 Switzerland
United
Kingdom
17 16
33
19
36 United
Kingdom
United States
17
16 33 (SM
EIRP
Limit=50)
19
36 (SM EIRP
Limit=53)
United States
After an AP with DFS is powered on it performs a channel availability check on its main carrier frequency for 1
minute, monitoring for the radar signature without transmitting. If no radar signature is detected during this minute,
the module then proceeds to normal beacon transmit mode. If it does detect a radar signature, the frequency is
marked for a 30 minute non-occupancy period, and the module moves to its 1
st
alternate carrier frequency. The AP
continues this behavior through its 2nd alternate frequency if needed and then waits until the first frequency ends
the 30 minute non-occupancy period. While operating, if the AP detects a weather radar signature it marks the
current carrier frequency for a 30 minute non-occupancy period and moves to check the next-in-line carrier
frequency.
An SM does not begin transmission until it detects a beacon from an AP. If APs are not transmitting, SMs will be
silent.