TRENDnet Wireless N Express Card TEW-642EC Overview, Tech Specs

The Wireless N Express Card* (TEW-642EC) allows you to connect your laptop wirelessly with supercharged speed, range and reliability. Enjoy up to 8x the speed and 4x the coverage of a wireless g connection.

Upgrade to TRENDnet's Wireless N Express Card and enjoy faster than wired speeds with your wireless connection. Using an Express card enabled computer, experience the full capability of Wireless N performance.

Advanced wireless encryption protects your valuable data. PCI Express technology ensures the fastest communication and MIMO antenna technology maximizes wireless coverage. Install the product in minutes and seamlessly stream live media, download files, play games and talk Online all at the same time, without decreasing wireless performance.

*Maximum wireless signal rates are referenced from IEEE 802.11 theoretical specifications. Actual data throughput and coverage will vary depending on interference, network traffic, building materials and other conditions.





IEEE 802.11b, IEEE 802.11g and IEEE 802.11n (draft 2.0)

LED Indicator

Power, Link

Power Consumption

Max. 550mA @3.3V

Supported OS

Windows 2000, XP (32/64-bit), Vista (32/64-bit)

Dimensions (LxWxH)

100x34x5mm (3.93x1.3x0.19in.)


20g (8oz)


0° to 40° C (32° ~ 104° F)


0° to 70° C (32° ~ 158° F)


Module Technique

802.11b: CCK (11 and 5.5Mbps), DQPSK (2Mbps), DBPSK (1Mbps)
802.11g: OFDM with BPSK, QPSK and 16/64-QAM sub-Carrier


Two PCB antennas built-in


2.412 ~ 2.484 GHz

Media Access Protocol


Data Rate (auto fallback)

  • 802.11n: up to 150Mbps
  • 802.11g: 54Mbps, 48Mbps, 36Mbps, 24Mbps, 18Mbps, 12Mbps, 9Mbps, 6 Mbps
  • 802.11b: 11Mbps, 5.5Mbps, 2Mbps, 1 Mbps

Output Power

  • 802.11n: 6dBm (typical) with HT20 & HT40
  • 802.11g: 15dBm (typical)
  • 802.11b: 18dBm (typical)

Receiving Sensitivity

  • 802.11n: -70dBm (typical) with HT40
  • 802.11g: -72dBm (typical) @ 54Mbps
  • 802.11b: -84dBm (typical) @ 11mpbs


64/128-bit WEP (Hex & ASCII), WPA/WPA2, WPA PSK/WPA2-PSK encryption


1~11 (FCC), 1~13 (ETSI)