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EN 103
Wireless LAN specifications (MP-XP7230GB only)
Wireless frequency band 2412 to 2472 MHz (all 13 channels)
Modulation system DSS (Direct Spread Spectrum system)
CCK
(communication speed: 5.5 Mbps, 11 Mbps)
DQPSK (communication speed: 2 Mbps)
DBPSK (communication speed: 1 Mbps)
Spread spectrum system 11-chip Barker sequence
Rated output 15 dBm
Communication speed 11 Mbps 5.5 Mbps 2 Mbps 1 Mbps
Reception sensitivity -84 dBm -87 dBm -90 dBm -90 dBm
Spread delay (under FER 1%) 81ns 164ns 290ns 290ns
Communication distance Recommended communication distance
between PC and device serving as other end
of communication: 25 metres indoors
Note: There is a correlation between the communication distance of a wireless device and its
communication speed: The lower the communication speed of the wireless communication,
the further the communication distance. Furthermore, the communication distance is
susceptible to the effects of the ambient environment, and it may be reduced in the following
cases.
• Inside condominiums and other reinforced concrete structures, houses in which metal is
used in the building construction materials
• Near large pieces of furniture, etc. made of metal
XP72305230E-82-104 2/26/3, 8:57 AM103