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DRMA-81

Main Chipset Atheros® AR2417
Standard Conformance IEEE 802.11b, 802.11g
Frequency Range 2.400 ~ 2.4835GHz for US, Canada, Japan, ETSI, and China
Channel Spacing 5MHz
Interface half-size mini-PCI Type IIIA
Operation Voltage 3.3VDC ± 10%
Modulation Technique
  • 802.11b:
    • DSSS with CCK, DQPSK, and DBPSK
  • 802.11g:
    • OFDM with BPSK, QPSK, 16-QAM, and 64-QAM
    • DSSS with CCK, DQPSK, and DBPSK
Data Rate
  • 802.11b(normal mode): 11, 5.5, 2, 1Mbps, auto-fallback
  • 802.11g(normal mode): 54, 48, 36, 24, 18, 12, 9, 6Mbps, auto-fallback
  • 802.11g (Super mode): up to 108Mbps
Operating Range
(subject to the environment)
  • 802.11b
    • outdoor: over 300 meters @ 11Mbps
    • indoor: 35-100 meters @ 11Mbps
  • 802.11g
    • outdoor: over 300 meters @ 6Mbps
    • indoor: 35-100 meters @ 6Mbps
Operating Channels
  • 802.11b/g
    • USA/Canada: 11 (1~11)
    • Major Europe Countries: 13 (1~13)
    • France: 4 (10~13)
    • Japan: 14 for 802.11b (1~13 or 14th), 13 for 802.11g (1~13)
    • China: 13 (1~13)
Power Consumption
  • 802.11b mode:
    • Continue Tx: 514(typical)/567(max.) mA
    • Continue Rx: 193(typical)/195(max.) mA
    • Standby mode: peak 203(typical)/210(max.) mA, average 28(typical)/32(max.) mA
    • Power saving: peak 207(typical)/212(max.) mA, average 19(typical)/21(max.) mA
    • Radio off: 19(typical)/21(max.) mA
  • 802.11g mode:
    • Continue Tx: 533(typical)/582(max.) mA
    • Continue Rx: 193(typical)/195(max.) mA
    • Standby mode: peak 206(typical)/218(max.) mA, average 26(typical)/27(max.) mA
    • Power saving: peak 207(typical)/212(max.) mA, average 19(typical)/21(max.) mA
    • Radio off: 19(typical)/21(max.) mA
Transmit Power Settings
  • +19 dBm@ 1, 2, 5.5, 11Mbps
  • +18 dBm@ 6,9,12,18,24Mbps
  • +17dBm@ 36Mbps
  • +16dBm@48Mbps
  • +15dBm@54Mbps
Sensitivity
  • 802.11b:
    • -96~-93dBm@1Mbps
    • -87~-84dBm@11Mbps
  • 802.11g:
    • -90~-87dBm@6Mbps
    • -72~-69dBm@54Mbps
Antenna two U.FL antenna connectors for diversity function
MAC Protocol CSMA/CA with ACK architecture 32-bit MAC
Security
  • 64-bit, 128-bit and 152-bit WEP encryption
  • 802.1x authentication, WPA, and WPA2
  • 128-bit AES & TKIP encryption
  • CCX3.0
Operation Systems Supported Windows 98SE, Windows Me, Windows 2000, Windows XP, Windows Vista, MADWiFi Linux
WHQL Windows 2000, XP
Wi-Fi Compliance WECA compliance
Radio Option hardware radio On/Off support
Advanced Function SuperG®
Dimension 59.6 mm(L) x 29.2mm(W) x 2.1mm(H)
Operation Temperature Range 0°C ~ 70°C
Storage Temperature Range -20°C ~ 80°C
Operating Humidity 10% - 90%, non-condensing
Storage Humidity max. 90%, non-condensing
EMC Certificate FCC part 15C, CE ETSI EN301893 EN60950
Environment-Friendly Compliance RoHS