User's Manual

5
Installation of two SWH-3000 readers side-by-side
and back-to-back
Read range is not affected if the center-to-center distance between two
readers is greater than or equal to four (4) inches (101.6 mm). If the
distance between the two readers is less than four inches, field interference
between the two readers may result in a double-badge read. Two readers
can simultaneously read the same badge or tag if the distance between the
two readers is less than 4 inches, center-to-center.
NOTE
If two readers are being placed back-to-back on a wall less
than 4 inches thick, maximum performance can be achieved
by using a metal separation plate and then using isolation
spacers as necessary.