User's Manual Part 1

those antennas certified with the product are used. The use of any
antenna other than those certified with the product is expressly
forbidden in accordance to FCC rules CFR47 part 15.204.
Outdoor units and antennas should be installed ONLY by experienced
installation professionals who are familiar with local building and safety
codes and, wherever applicable, are licensed by the appropriate
government regulatory authorities. Failure to do so may void the
WinLink-1000 warranty and may expose the end user or the service
provider to legal and financial liabilities. RADWIN and its resellers or
distributors are not liable for injury, damage or violation of regulations
associated with the installation of outdoor units or antennas.
Warning
FCC Notation for Indoor Units IDU-E and IDU-C
Concerning all models and configurations
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions:
(1) This device may not cause harmful interference.
(2) This device must accept any interference received, including interference that
may cause undesired operation.