Table of Contents
Advertisement
2.3.5 Antenna Polarization
Antenna polarization must be the same at both ends of the link. In most applications,
the preferred orientation is vertical polarization, which is best for above ground
propagation.
2.3.6 Cell Size/Link Distance
Cell size is determined by the maximum possible distance between the DWL-1800B
and a DWL-1800R unit. For open outdoor areas with an unobstructed line of sight
between the BU-DWL-1800B and the DWL-1800R units, the suggested maximum
distance is up to 6 miles (10Km) where ETSI is the regulatory domain and 15 Miles
(25 Km) where FCC is the regulatory domain.
2.3.7 Using Outdoor Range Tables
Specific range tables, guidelines and information about extended cables can be
obtained from your local dealer or the
Outdoor installations must have a clear line-of-sight between antennas. Solid
obstacles such as buildings or hills can prevent the establishment of a link while
partial obstacles such as trees or traffic can reduce range. Extended coaxial cables
can cause an increase in signal loss and a reduction in range.
2.3.8 Precautions
NOTE:
Outdoor units and antennas should be installed ONLY by experienced antenna
installation professionals who are familiar with local building and safety codes
and, wherever applicable, are licensed by the appropriate government
regulatory authorities.
The system complies with the ETS 300 385 standard and is protected against
secondary lightning strikes when its outdoor unit is properly grounded
according to the applicable country-specific industry standards for protection
against lightning. The system complies with EN 61000-4-5, test level 3 (2kV).
Failure to do so may void the D-Link Air Premier DWL-1800 Product
Warranty and may expose the end user to legal and financial liabilities.
and its resellers or distributors are not liable for injury, damage or violation of
government regulations associated with the installation of detached antennas.
central offices.
D-Link
8
D-Link
Advertisement
Table of Contents
