"Probably the best miniPCI express card ever": Treadlayers.com see http://www.treadlayers.com/PC_Hardware/Networking/SparkLAN/SparkLAN.shtml
Hi quality 802.11abgn 3T/3R minicard - minipci express interface
Specifications:
Standards IEEE 802.11a/b/g/n, Wi-Fi compliant
Frequency Band
2.4 GHz ISM Bands 2.412-2.472 GHz, 2.484 GHz
5.15-5.25 GHz (FCC UNII-low band) for
US/Canada, Japan
5.25-5.35 GHz (FCC UNII-middle band) for
US/Canada
5.725-5.825 GHz (FCC UNII-high band) for
US/Canada
Chipset Atheros AR5008E-3NX AR5418
Number of Channel
802.11b
USA and Canada – 11
Most European countries – 13
Japan – 14
France – 4
802.11g
USA and Canada – 13
Most European countries – 13
Japan – 14
Modulation
802.11a/g/n: OFDM
802.11b: CCK(11, 5.5Mbps), DQPSK(2Mbps),
BPSK(1Mbps)
Data Rate
802.11a: 54,48,36,24,18,12,9,6 Mbps
802.11b: 11,5.5,2,1 Mbps
802.11g: 54,48,36,24,18,12,9,6 Mbps
802011n: up to 300Mbps
Antenna Build-in inside host (U.FL-R-SMT)
RF output power
802.11a: typical 13dBm (54Mbps), 802.11b:
typical 17dBm (11MBps), 802.11g: typical 14dBm
(54Mbps) ,802.11n:typical 9dBm (MCS 15)
Receive Sensitivity
802.11a: typical -65dBm at 54Mbps
802.11b: typical -80dBm at 11Mbps
802.11g: typical -70dBm at 54Mbps
802.11n:typical -59dBm at HT40 MCS15
Environmental Operating: 0 ~55oC; Storage: -20 ~ 65oC
Operating range
Open Space: ~300m; Indoor: ~100m(it may vary according to the environment)
Operating Voltage 3.3V + 5%,
Dimensions 51 X 30 X 3.8mm
Weight 25g