SATO MB200/201i Operator's Manual page 64

Basic Specifications & Optional Accessories
measure to prevent interference (e.g., installing
partitions).
MB200/200i Radio Frequency characteristics
2.4FH1 Freq band
used
Modulation
system
Assumed
distance of
interference
Availability
of fre-
quency
change
7-6
2.4 GHz
Frequency Hopped -
Spread Spectrum system
10 mm max.
All area is used and exclu-
sion of the band for equip-
ment for mobile object
identification is
impossible