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Recensione D-Link AirPlus XtremeG 108Mbps: DWL2100-AP, DWL-G520, DWL-G650 |
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Pagina 19 di 29
AR2112 Radio-on-a-Chip for 2.4 GHz WLAN:
- Support for IEEE 802.11b, 802.11g
- Operates from 2.300 - 2.500 GHz
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Advanced wideband receiver with best path sequencer for better range
and  Multipath resistance than conventional equalizer-based designs
- Integrated power amplifier (PA) and low-noise amplifier (LNA)
- External PA and/or LNA can be used for special applications
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Eliminates all IF filters and most RF filters; no external
voltage-controlled oscillators (VCOs) or surface acoustic wave (SAW)
filters needed
- Enhanced transmit and receive chains
AR5213 Multiprotocol MAC/baseband processor:
- Supports both 2.4 GHz and 5 GHz RoCs
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Super AG™ mode includes dynamic 108 Mbps capability, real-time hardware
data compression, Fast Frames™ and standards-compliant bursting
- Atheros eXtended Range (XR) technology
- Integrated Wake-on-Wireless and Wake-on-Theft capabilities
- No external FLASH or RAM memory needed
- PCI 2.3 and PC Card 7.1 host interfaces with DMA support
- Integrated analog-to-digital and digital-to-analog converters
- Serial EEPROM, LEDs, GPIOs peripheral interfaces
- Low power operational and sleep modes
AR5004G Specifiche del Chipset:
- Frequency Band 2.300 to 2.500 GHz
- Network Standard 802.11b, 802.11g
- Modulation Technology OFDM with BPSK, QPSK, 16 QAM, 64 QAM; DBPSK, DQPSK, CCK
- FEC Coding Rates 1/2, 1/3, 1/4
- Hardware Encryption AES, TKIP, WEP
- Quality of Service 802.11e draft
- Media Access Technique CSMA/CA
- Host Interface Mini PCI, PC Card, PCI
- Peripheral Interface GPIOs, LEDs
- Memory Interface EEPROM
- IEEE 802.11b 1 to 11 Mbps, IEEE 802.11g 1 to 54 Mbps, Atheros Super G Mode Up to 108 Mbps
Punti di forza del chipset AR5004G:
- Supporto IEEE802.11b ed IEEE802.11g
- Utilizzo esclusivo della tecnologia CMOS per un minor consumo di corrente e massima affidabilità
- Alta integrazione costruttiva
- Ricetrasmettitore a 2.4 GHz su un unico chip (RoC)
- Processore MAC/baseband multiprotocollo con supporto RoC
- Supporto al Quality of Service (QoS)
- Supporto della modalità Super G™ oltre 108 Mbps (raw data rate) con throughput tipico di 60 Mbps
- funzione Adaptive Radio per la scelta automatica del canale libero su cui instaurare la connessione
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Supporto hardware del Wi-Fi Protected Access (WPA) e delle specifiche
di sicurezza IEEE 802.11i, Advanced Encryption Standard (AES), Temporal
Key Integrity Protocol (TKIP), e Wired Equivalent Privacy (WEP) senza
degrado delle performances.
- Atheros eXtended Range (XR) technology che permette ai prodotti Wi-Fi di raddoppiare il raggio della portata radio.
- Miglioramenti Power-saving per ridurre il consumo di corrente del 60%
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