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Long Range Performance
Long distance performance from your PocketWizards
depends on the orientation and position of the units.
Whenever possible, try to maintain a line of sight
between the units and keep the antennas parallel.
While radio does not require line of sight, it does help
dramatically. Make sure the units are not near any
large metal, concrete, or high water-content objects.
People and trees are mostly water! Make sure they
are not blocked by these objects or by hills. Do not
mount the units close to the ground – try to have
them several feet above the Earth or building oors
whenever possible.
Maintain at least 36” (~ 1 meter) distance between
antennas. Avoid direct antenna contact with anything metallic. “Dead spots” have a number of causes,
but the solution is usually the same: move the unit a few inches or feet away from the problem area.
SPECIAL NOTE: Some Canon ash models emit RF interference that can reduce the effective operating
range of many radio slaves, including the FlexTT5. Those models include: 430EX, 580EX, 580EX II and
others. For those model ashes, please consider the mounting suggestions in the pictures above to
optimize range. If using Canon’s off shoe cord OC-E3, consider adding a ferrite clamp on the cable near
the ash to further increase range.
The Canon 430EX II performs dramatically better in this regard. It does not require special mounting
consideration and yields greater range.
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