20 Chapter 1
Battery
Channel Numbers • 1---11 channels for active channels
• 12---13 channels for passive channels
Data Rate 54Mbps with fall back rates of 48, 36, 24, 18, 12, 9 and
6Mbps
Media Access Protocol CSMA/CA with ACK
Transmitter Output Power Typical 13.5 dBm for 54Mbps
802.11b
Radio Technology IEEE 802.11b Direct Sequence Spread Spectrum
Operating Frequency 2412 ~ 2472MHz ISM band
Modulation Schemes DQPSK, DBPSK and CCK
Channel Number • 1---11 channels for active channels
• 12---13 channels for passive channels
Data Rate 11Mbps with fall back rates of 5.5, 2, and 1Mbps
Media Access Protocol CSMA/CA with ACK
Transmitter Output Power 18dBm typically
Item
Specification
3 Cell 6 Cell
Vendor & model name Sanyo UM-2009A/AW
Sony UM-2009A/AW
Panasonic UM-2009A/AW
Simplo UM-2009A/AW
Sanyo UM-2009B 2.2/2.6
Simplo UM-2009B
Panasonic UM-2009B
Battery Type Li-ion Li-ion
Pack capacity 2200 mAh 4400/5200 mAh
Number of battery cell 3 6
Package configuration 3S1P 3S2P
Item Specification
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