Revised Operational Description

FCC ID: IOU1010S01

Operational Description

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FCCID_232531

FCC ID: IOU1010S01

Operational Description

The transmitter of the EUT (11Mbps Wireless PC Card) is host-independent device. It

can be used in portable or mobile device such as laptops or handheld PAD. The

antenna is Inverted F antenna, and there is no antenna connector. Under normal use

condition, the user has to keep at least 5cm separation distance away from the

radiator.

For more detailed instruction, please take a look at the users manual.

DSSS Information
This device is Direct Sequence Spread Spectrum, the data is mixed by

pseudorandom code which is an orthogonal code. The mixed data is digital

modulated by BPSK and QPSK technique depends on the data rates.

The CCK coding is applied for increasing the data rate, and also the processing gain

will be increased. The bit rates are 1,2,5.5,11Mbps, the symbol rates are

1,1,1.375,1.375Mbps, the chip rates are always 11Mbps.

So, the Chip/symbol is 11,11,8 and 8 respectively. Although the bit rate is higher, the

processing gain is lower than 10, but the CCK coding used in higher bit rate will

provide 2.2dB coding gain.

ADT No.900810R01A

Document Created: 2002-03-21 13:21:36
Document Modified: 2002-03-21 13:21:36

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