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Chapter 3: System planning
Radio spectrum planning
This section describes how to plan PTP 650 links to conform to the regulatory restrictions that
apply in the country of operation.
Caution
It is the responsibility of the user to ensure that the PTP product is operated in
accordance with local regulatory limits.
Note
Contact the applicable radio regulator to find out whether or not registration of the
PTP 650 link is required.
General wireless specifications
Table 28
lists the wireless specifications that apply to all PTP 650 frequency bands.
the wireless specifications that are specific to a single frequency band.
Table 28 PTP 650 wireless specifications (all variants)
Item
Channel selection
Manual power control
Integrated antenna type
Duplex schemes
Range
Over-the-air encryption
Weather sensitivity
Error Correction
Specification
Manual selection (fixed frequency).
Dynamic frequency selection (DFS or DFS with DSO) is available
in radar avoidance regions.
To avoid interference to other users of the band, maximum
power can be set lower than the default power limit.
Flat plate antenna
Symmetric fixed, asymmetric fixed and, for the Full variant only,
adaptive TDD.
Optical Line-of-Sight: 200 km (125 miles).
Non-Line-of-Sight: 10 km (6 miles).
AES 128-bit or 256-bit.
Sensitivity at higher modes may be reduced by adjusting the
Adaptive Modulation Threshold.
FEC
Page
3-16
Radio spectrum planning
Table 29
lists
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