ClearCom FreeSpeak II - National Radio Carrier Frequencies

User Guide | FreeSpeak II™ Base station version
Page 15
or propagation problems occur in an area, to ensure proper operation and
reliability, it may be more practical to install one less beltpack for each antenna.
For zones which are likely to need coverage for up to five or more beltpacks
simultaneously you must install a second antenna. Similarly, for good coverage
for nine or more beltpacks simultaneously, a third antenna may be required.
Radio Frequency
(RF) Band
Minimum number of
Antennas in one RF cell
Maximum number of
beltpacks supported in
one RF cell
1.9 GHz
1
4 - 5
2
8 - 10
3
12 - 15
4
16 - 20
2.4 GHz
1
3 - 4
2
4 - 6
3
7 - 9
4
10 - 12
Figure 2-3 Antenna/beltpack capacity
Note: If more than 20 beltpacks are required, you should upgrade to FreeSpeak II
Integra.
2.1.2 National Radio Carrier Frequencies
The carrier frequencies allocated for a radio space vary according to location. This
affects the amount of belt packs that can be supported in one RF cell.
Location
Number of carrier
frequencies
Maximum belt packs
in one RF cell
United States
5
25 belt packs
European Union and
elsewhere
10
50 beltpacks
Figure 2-4 National Radio Carrier Frequencies