Linksys WMP300N Wireless-N PCI Card
Specifications:

Mfr Part Number: WMP300N
Feature:
Increases Range upto 4X, and Speed upto 12X, over Wireless-G (802.11g) Standard
Performance Investment Protection: Compatibility with Wireless-B (802.11b) and Wireless-G (802.11g) Standards
Easy-to-Use Setup Wizard
Supports up to 256-bit wireless encryption
32-bit PCI Interface
Plug-and-Play Operation Provides Easy Setup
Compatible with Microsoft Windows 2000 and XP
Standards: IEEE 802.11b, IEEE 802.11g, Draft IEEE 802.11n, PCI 2.3
Channels: 802.11b / 802.11g / Wireless-N (20MHz); 11 Channels (US, Canada); 13 Channels (Europe)
LED: ACT
Protocols:
802.11b: CCK, QPSK, BPSK
802.11g: OFDM
Wireless-N: BPSK, QPSK, 16-QAM, 64-QAM
Transmitted Power: 802.11g- 12 +/- 1dBm (Typical); Wireless-N- 10 +/- 1dBm (Typical)
Receive Sensitivity: 54Mbps @ -70dBm (Typical); Wireless-N @ -70dBm (Typical)
Security Features: Upto 256-bit wireless encryption
Certification: FCC
Dimensions: 5.24 x 0.87 x 4.76 inch / 133 x 22 x 121 mm
Weight: 2.19 oz / 0.062 kg