USB to PCMCIA Adapter for 32 Bit Cardbus Cards - U142

Sewell Part # SW-7851

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2.8 (11 reviews)


"Very prompt delivery and excellent product."


Are you looking for a PCMCIA Card with USB Ports?

Never be out of touch with your e-mail, VPN, chat, or other internet service again with this USB to Cardbus adapter for wireless 3G data cards. Newer notebook computers have phased out the PCMCIA (cardbus) slot in favor of the newer ExpressCard slot, leaving PCMCIA data card owners high and dry. Regain your access with this adapter that plugs into any available USB port!

This card works with a large number of cutting-edge wireless 3G cards. Please see the compatibility list on the specifications tab to see if your card is supported. Great for connecting laptops, desktops, or specialist systems (like point-of-sale systems), this U142 adapter will keep you connected when you need to be connected.

For full installation instructions, please click here (PDF).


Mfg. Part Number

  • PCD-X/U142-E


  • Generic


  • CE Approved
  • Supports a select number of 3G (CDMA/ GSM/ UMTS/ EDGE/ HSDPA) PC Cardbus Cards
  • PCMCIA Version 2.1/JEIDA 4.1 Compliant
  • Up to 1.5 Mb/sec Transfer Rate

Supported Cards

  • Huawei E600
  • Huawei E612
  • Huawei E618
  • Huawei E620
  • Kyocera PC5220
  • Kyocera PC5740
  • Kyocera KPC650
  • MaXcard+
  • Novatel 620 (S620, V620)
  • Novatel M720
  • Novatel U730
  • Novatel U740
  • Novatel U870
  • Onda N501HS
  • Onda H600
  • Option cards Serial numbers starting with R, Q, C, G, or N
  • Option Globetrotter GT Max
  • Option Globetrotter GT Max 7.2 Ready
  • Option Globetrotter HSDPA
  • Option Globetrotter 3G EDGE (HSDPA-Ready)
  • Option Globetrotter FUSION+ (HSDPA-Ready)
  • Option Globetrotter FUSION+ HSDPA
  • Sierra Wireless 595
  • ZTE MY39
  • ZTE MF332
  • iBurst cards are NOT supported
  • Novatel Wireless Merlin C201 Cards are NOT supported
  • Sony Ericsson Cards are NOT supported
  • Other PCMCIA Cards, including WLAN and memory cards, are NOT supported

System Requirements

  • System with USB 1.1 or 2.0 port
  • Windows 2000, XP, or Vista (32-bit versions only)
  • USB host port must provide specification standard of 5V @ 500mA [note]

Transfer Rates

  • Up to 1.5 MB/sec

Electrical Characteristics

  • Operational Voltage: DC +5 Volts direct from USB
  • 5V at 400mA typ. with fault (over-current) protection for PC Cards
  • 3.3V at 400mA typ. with fault (over-current) protection for PC Cards

Operating Environment

  • Temperature Operating: 0 to 75-degrees C
  • Mass: 140 g, excluding USB cable

Physical Dimensions

  • Dimensions: 140 x 83 x 25 mm (approx.)
  • Temperature Storage: -50 to 150-degrees C
  • MTBF: Estimated MTBF for all Uxxx card readers is 100K hours under normal operating conditions



11 Total Reviews -

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(5) 45.5 %
(0) 0.0 %
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(6) 54.5 %

Not Rated

(0) 0.0 %

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Most helpful reviews


Rob - 7/22/2008 9:06:36 AM

8 found this review helpful

Pros: Works perfect with a Pantech PX-500 and my computer running XP

Cons: None


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Sprint PX-500

Anonymous - 3/10/2009 3:34:33 PM

6 found this review helpful

Pros: Worked with my sprint card - easy to setup

Cons: Haven't been able to get it working with my wife's mac yet

Other: I'll let you know if I need help setting it up with Mac

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Marco - 7/29/2008 4:44:12 PM

5 found this review helpful


Cons: I bought a MacBook Air under the faulty premise that I would be able to use this adapter for my Sprint mobile broadband card. After about 3 hours of work, I was finally able to get it to work but only for a few minutes at a time before it quits (the card worked very well on my old laptop PC.) When it does work, the download rate is less than 5kb/sec, hardly worth the effort. This has been a huge waste of time and money.

Other: Sewell Note: This product is not advertised to work with the Mac OS. We have contacted the customer to arrange for the product to be returned for a refund and to resolve the concern.

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Most recent reviews

Not a full-function PCMCIA Slot

Anonymous - 6/29/2009 5:28:53 PM

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Required some setup

Anonymous - 3/31/2009 10:07:47 AM

After finally getting it setup it worked fine

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Sprint PX-500

Anonymous - 3/10/2009 3:34:33 PM

Worked with my sprint card - easy to setup

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Anonymous - 3/9/2009 11:51:15 AM

We use it with an older Verizon PC 5740. Easy to share between multiple computers... new laptop, desktop etc.

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Works well

Anonymous - 2/11/2009 11:03:44 AM

It works fine for me on a Dell running XP with a Sprint card

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See all 39 questions


Will the adaptor work with the Cingular GT combo edge on a HP DV6000?


This adapter works with the GT cards listed in the supported cards list in the specifications. It may not work with all revisions or models so you'll want to check that list. Also, this adapter does not work with the Cingular connection manager software so you will only be able to connect to the internet through the cellular connection. Any other functions that the combo card has will not be accessible.

28 out of 30 found this helpful.

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I have a Sprint Pantech Wireless PX-500 Rev. A. PCMCIA Air Card. Will this work seamlessly with your product SW-7851?


Unfortunately the Pantech PX-500 Card is not compatible with any of our USB adapters.

25 out of 28 found this helpful.

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Will this adapter work with the sierra 875 and if not do you have something else that would work?


Unfortunately, this adapter is not compatible with any of our USB to PCMCIA adapters, but we do have our Express Card to PCMCIA adapter that will work if you have an express card slot available. (with this product make sure to check the specifications tab to make sure it is compatible with your computer).

21 out of 24 found this helpful.

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USB to PCMCIA Adapter for 32 Bit Cardbus Cards - U142