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100BASE-TX (half-duplex) 100 Mbps
100BASE-TX (full-duplex) 200 Mbps
1000BASE-T (full-duplex) 2000 Mbps (actual rate limited by PCI Bus)
Environmental
Operating temperature
32° to 131°F (0° to 55° C)
Operating humidity
85% at 131° F (55° C)
Dimensions
6.4 x 2.6 x 0.8 in (16.3 x 6.6 x 1.9 cm)
Management capabilities
WOL, PXE, DMI, WFM 2.0
HP 802.11b/g/n
Wireless PCIe x1 Card
Dimensions (L x H)
3.3 x 4.7 inches (8.5 x 12 cm)
Weight
0.08 pounds (40 g)
Controller
Ralink RT2790
System interface
PCIExpress x1
Network standard
802.11 b/g/n
Frequency band
2.400 - 2.497 GHz
Operating temperature
14° to 149°F, operating (–10° to 65°C, operating)
Storage temperature
–40° to 176°F, non-operating (-40° to 80°C, non-operating)
Humidity
10–90% operating
5–95% non-operating
Operating voltage
3.3V +/- 9%
12V +/- 8%
Power consumption
Platform/WLAN Mode
Power Consumption
Maximum Power
Consumption
10 Watts
Transmit Only
4 Watts maximum averaged power over 1
second
Transmit Packet or Active
Scanning
1000 mA peak current for 100 microseconds or
longer
Receive Only Mode or Idle
without IEEE PSP mode
enabled
3 Watts maximum averaged over 1 second
Idle, with IEEE PSP mode
enabled
1.0 Watts maximum averaged over 1 second
Transmit Disabled (turned
off in software)
50 mW maximum, averaged over 1 second
Platform in S3 or S4
(power removed from Low
Profile PCI Express Card)
5 mW maximum, averaged over 1 second
Output power
(approximately)
802.11b modes
802.11g modes
EWC modes
+19 dBm +/- 1.0 dB
maximum
+17 dBm +/- 1.0 dB
maximum
+17 dBm +/- 1.0 dB
maximum (total power in
all transmit chains)
Receive sensitivity
Mode
Data rate
Sensitivity
802.11b
1 Mbps
-94 dBm
802.11b
11 Mbps
-85 dBm
QuickSpecs
HP Compaq dc7900 Business PC
Technical Specifications - Communications
DA - 13029 Worldwide QuickSpecs — Version 9 — 1.9.2009
Page 27