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802.11b/g/n PCIe
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
802.11g
6 Mbps
-91 dBm
802.11g
18 Mbps
-85 dBm
802.11g
48 Mbps
-75 dBm
802.11g
54 Mbps
-72 dBm
EWC (2.4 GHz)
6.5 Mbps
-87 dBm
EWC (2.4 GHz)
54 Mbps
-82 dBm
EWC (2.4 GHz)
81 Mbps
-78 dBm
EWC (2.4 GHz)
162 Mbps
-74 dBm
EWC (2.4 GHz)
270 Mbps
-68 dBm
EWC (2.4 GHz)
300 Mbps
-64 dBm
Data transfer rate
Data Rate (MCS)
Minimum Throughput
1 Mbps (802.11 b)
700 kbps
2 Mbps (802.11 b)
1.4 Mbps
QuickSpecs
Compaq 500B Microtower PC
Technical Specifications - Communications
DA - 13418 Worldwide QuickSpecs — Version 2 — 10.30.2009
Page 16