HP Compaq Microtower 500B - Manual (Page 16)

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