HP 2133 Manuale d'uso - Pagina 29

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ADIO

HARACTERISTICS

Characteristic

Frequency Band

Modulation Technique

Spreading

Bit Error Rate (BER)

Nominal Output Power

See

"Regulatory Information" on page 26

User Guide

Description

2.4 GHz (IEEE 802.11b, IEEE Draft Std 802.11g)

Direct sequence spread spectrum (DSSS)

• CCK for high and medium transmit rate

• DQPSK for standard transmit rate

• DBPSK for low transmit rate

Orthogonal frequency division multiplexing (OFDM)

• 52 subcarriers with BPSK, QPSK, 16-QAM or 64-QAM

• Forward error correction convolutional coding rate: 1/2, 2/3, 3/4

11-chip Barker sequence

–5

Better than 10

• IEEE Std 802.11b: 14 dBm

• IEEE Draft Std 802.11g: 15 dBm

ppm

for country-specific performance characteristics and use restrictions.

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