Intel WiFi 802.11A/B/G 54 MbPS Mini PCI-E Express Wireless Card WM3945ABG. Intel meets the current and future demands of high-performance, power embedded computing, making it ideal for communications, transaction terminal, interactive client, industrial automation applications, as well as for standard home use.  
 

Intel Part Number: WM3945ABG
Compatible Part Numbers:
WM3945BG, 42T0866, 42T0864,
41W1027, 41W1026, GWJF6270R3S,
27MA7WLTA05, G86C0001UA10,
V000060840, A000005400, 42T0853,
42T0852, 41N3008, 0NC293, NC293
D23030-003

Compatible Models:
Dell XPS: M1210, M1330, M1530, M1710, M1730, M2010, 1710, 1720
Dell Inspiron: 640M, 1420, 1520, 1521, 1525, 1526, E1405, E1505, E1705, 6400, 9400,
Dell Latitude: ATG D620, ATG D630, D420, D430, D520, D530, D531, D620, D630, D631, D820, D830, XFR D630, XT
DELL Vostro: 500, 1000, 1200, 1310, 1400, 1500, 1510, 1700, 1710
Dell Precision: M65, M90, M2300, M4300, M630
Compaq Presario DV3000 Series: (DV3000, DV3000T, DV3000Z, DV3010, DV3019, DV3030) PCI Express Minicard 802.11B/G HS
Gateway : MX6200 Series (MX6216), MX6400 Series (MX6439, MX6446, MX6447, MX6448, MX6453) Truemobile WLAN (wireless) 1390 Mini PCI express card
HP Pavilion : DV2000 Series (DV2000, DV2000T, DV2000Z, DV2020), DV2120 PCI Express Minicard 802.11B/G HS - Broadcom wireless 4311BG
GATEWAY : MX6000 NX100X NX510X NX560X NX8060X CX210 E-100M M-285 M-255 M-685 M-465 SERIES
Many more laptops that has mini PCI-E slot

General Features:
- Mini PCI Express interface
- Tri-mode 802.11a/b/g compliant
- Wi-Fi certified for 2.4 GHz and 5 GHz band
- Infrastructure or ad hoc (peer to peer) architecture
- Dual diversity antenna
- Noise Interference Filter enhances performance, especially in areas with wireless signal overlap
- Wake on WLAN support allows waking up a notebook remotely and distributing upgrades and patches

Regulatory Approvals:
- FCC
- cULus
- C-Tick

Typical Indoor Range Performance:
- 40 ft (12 m) @ 54 Mbps / 300 ft (91 m) @ 6 Mbps for 802.11a
- 100 ft (30 m) @ 11 Mbps / 300 ft (90 m) @ 1 Mbps for 802.11b
- 100 ft (30 m) @ 54 Mbps / 300 ft (91 m) @ 1 Mbps for 802.11g

Operating Frequency:
- 5 GHz UNII: Orthogonal Frequency Division Multiplexing (OFDM) for 802.11a
- 2.4 GHz ISM: Direct Sequence Spread Spectrum (DSSS) for 802.11b
- 2.4 GHz ISM: Orthogonal Frequency Division (OFDM) for 802.11g

Security:
- Authentication: WPA and WPA2, 802.1X (EAP-TLS, TTLS, MD5, PEAP, LEAP, EAP-FAST), EAP-SIM
- Authentication Protocols: PAP, CHAP, MD5, GTC, MS-CHAP, MS-CHAPv2
- Encryption: 64-bit and 128-bit WEP, AES-CCMP, CKIP, TKIP