User's Manual

MDR2400-SR, MDR5800-SR and Orion 5825-SR
Issue 10 Page 15
2.2.1 Frequency plans
The MDR5800 and the Orion 5850 Outdoor Units operate in the 5.725 GHz to 5.850
GHz ISM frequency band with predefined frequency channel plans (termed A, B, C and
D). Channel plan D is user selectable / adjustable.
The MDR2400 Outdoor Units operate in the 2.400 GHz to 2.4835 GHz ISM frequency
band with predefined frequency channel plans (termed A, B and D). Channel plan D is
user selectable / adjustable.
2.2.1.1 MDR5800 Frequency Channel Plan A, B and C
The channel spacing is based on the bandwidth occupied by the spread spectrum
signal (approximately 17 MHz) and is used to optimise link performance. In the case
of plan A, plan B and C, note that both Outdoor Units of a link must be set up to the
same frequency channel plan (i.e. A, B or C).
C
H
B
H
Frequency (MHz)
LOW BAND TRANSMIT HIGH BAND TRANSMIT
A
H
A
L
B
L
C
L
5735 5753 5771 5804 5822 5840
Figure 1. MDR5800 Frequency channel plans A, B and C