Dell OptiPlex FX160 Manuel d'utilisateur télécharger pdf (Page 14)

DELL™ OPTIPLEX™ FX160 TECHNICAL GUIDEBOOK

C O M M U N I C A TI O N S - W I R E L E S S L A N

N O T E : T h e c u r r en t d r a w v a l u es w e re m e a s u r ed ov e r a 1 -s e co n d i n t e r v a l . T h e m a x i m u m t r a n s m i t

a n d r ec e i v e v a l u e s w e re m e a s u r e d w h il e t r a n sf er r i n g a co n t i n u o u s U D P d at a s t r e a m a t t h e

h i g h e s t r a t e s et t i n g o f 2 7 0 Mb p s .

Form Factor PCI Express Half Mini Card ECN, March 16, 2006

Temperature and Humidity Limitations

Operating Temperature 0–75°C

Operating humidity 95% maximum (no condensation allowed)

Storage temperature –40 to +80°C

Storage humidity 95% maximum (no condensation allowed)

Power Characteristics*

Current draw, Power Save mode 80mW

Current draw, Receive mode 500mW

Current draw, Transmit mode 800mW

Power supply 3.3V

Networking Characteristics

Compatibility

IEEE 802.11g standard for wireless LAN (OFDM)

IEEE 802.11b standard for wireless LAN (DSSS)

Network Operating System Microsoft Windows Networking

Host Operating System

Microsoft Vista

Microsoft Windows XP

Microsoft Windows XP Embedded

NDIS6 miniport driver

Medium access protocol

CSMA/CA (collision avoidance) with acknowledgment

(ACK)

Data rate (Mbps)

IEEE 802.11b: 1,2,5.5,11

IEEE 802.11g: 1,2,5.5,6,9,11,12,18,24,36,48,54

NOTE: The Dell wireless WLAN card uses an

automatic transmit rate select mechanism

Radio Characteristics

Frequency band

IEEE 802.11b: 2.4 GHz (2400-2500 MHz)

IEEE 802.11g: 2.4 GHz (2400-2500 MHz)

Modulation technique

IEEE 802.11b: direct sequence spread spectrum

(DSSS)

CCK for high and medium transmit rate

DQPSK for standard transmit rate

DBPSK for low transmit rate

IEEE 802.11g: orthogonal frequency division

multiplexing (OFDM)

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

Forward error correction convolution coding rate: 1/2,

2/3, 3/4

Spreading IEEE 802.11b: 11-chip Barker sequence

Bit error rate (BER) Better than 10

–5

Nominal output power

IEEE 802.11b: 19 dBm

IEEE 802.11g: 15 dBm

DELL WIRELESS 1397 HALF MINI-CARD

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 20

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Dell OptiPlex FX160 Manuel d'utilisateur Page 14

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