Bosch EX36N Installation Instructions Manual page 5

NOTE: This equipment has been tested and found to
comply with the limits for a digital device, pursuant to
part 15 of the FCC rules. These limits are designed to
provide reasonable protection against harmful
interference in a residential installation. As part of its'
normal operation this device can generate radio
frequency energy and if not installed and used in
accordance with the installation manual may cause
interference to radio communications. However, there
is no guarantee that interference will not occur on a
particular installation. If the device does cause
interference to radio or television reception the user is
encouraged to try to correct the interference by one or
more of the following measures:
1) Fit Ferrite beads on all cable to and from the power
supply box, within the box walls.
2) Route the composite cable between the camera and
the power supply in steel conduit piping over the entire
run of the cable up to and including connection to a
deep conduit base fitted under the camera and a
conduit fitting adaptor in the wall of the PSU box.
3) Contact BOSCH Service Center for further advice.