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Sprint Mobile Broadband U300 3G/4G Modem - NO CONTRACT


Item Number: 952



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$0.00 tax collected outside of Illinois

This is a Sprint U300 without service. You should only buy this to replace/upgrade an existing device. After receiving the U300, you will need to do an ESN swap from your old device to new aircard's ESN.

The U300 delivers the best of both worlds: Turbo-charged Sprint 4G Network (available in select cities) and nationwide 3G coverage everywhere else. Plug the U300 into your USB port or Cradlepoint router, and enjoy the fastest mobile broadband speeds available! With the $69.99/month 4G/3G plan, you'll have UNLIMITED 4G usage and a 5GB monthly allowance for 3G.

Compatible ONLY with Windows® Vista 32, 64, XP, 2000. Users with other operating systems, including Mac OS, will need to use the U300 through a Cradlepoint router (there may be a software update for Mac OSX compatibility in the future).

Easy installation and activation

  • Easy install and activation - CD required.
  • Hands-Free Activation: the device will be activated automatically as part of the installation process and ready to go. Note: user must activate device on a Sprint account before inserting.

GPS enabled

Supports Sprint Navigation, BlackBerry Maps & other GPS applications when using the Sprint 3G Mobile Broadband Network.


Advanced built-in antenna that offers advanced dual-band diversity design enhances performance by maximizing data throughout.

Sprint SmartView™

Sprint SmartView connection manager makes connecting fast and easy, plus gives you easy access to GPS features and services at the touch of a button. Additionally, customized configuration is available to Enterprise customers.

Mobile Broadband Capable

With the evolution to EV-DO Revision A, users in markets where it is rolled out, will experience faster average download speeds of 600 kbps - 1.4 Mbps and average upload speeds of 350 - 500 kbps.


Employs CDMA wireless technology authentication and identification system for top-notch security. The Mobile Identification Number (MIN) and Electronic Serial Number (ESN), together with CDMA spread spectrum technology, make it virtually impossible for unauthorized users to capture and decipher messages and other sensitive information.

System Requirements
  • Universal Serial Bus (USB) 2.0 Port
  • Compatible ONLY with Windows® Vista 32, 64, XP, 2000. Users with other operating systems, including Mac OS, will need to use the U300 through a Cradlepoint router (there may be a software update for Mac OSX compatibility in the future).
  • Dimensions: 1.28 x 3.6 x 0.48
  • Weight: 1.55 oz

The U300 does not have an antenna port to allow users to directly connect an antenna.

If you need to boost your Sprint signal for your U300, you'll need to use a wireless repeater setup (note: this will only boost the 3G signal. No products are currently available to improve the 4G signal).
  • Repeaters- save $20 off any repeater with your U300 purchase

The U300 is compatible with Cradlepoint routers!

See all routers compatible with the U300.
Call us Toll-Free: 1-866-3GSTORE or +1 866-347-8673 (Canada Customers call +1 847-462-4004)
Our phone hours are: Monday - Friday 9am to 7pm CST
Our Fax Number is: (847) 829-3885

Email Us:
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Suite E
Cary, IL 60013

Considering a repeater to boost your signal? Find out if a repeater will help you here: Measuring Signal Strength Using RSSI

If you need to contact 3Gstore after 7pm CST or on the weekends, please send us an email or fill out the form below. We do check emails when we are closed and will respond as soon as possible.
Our product knowledge comes not just from personal experience, but because we've sold and supported so much of the product. Because of our sales volume, many of our vendors have taken an interest in us and provide special support that allows us to provide the best possible service to our customers. Want an example? Check out this forum thread. Now, that's service! For more about what our customers say about 3GStore, check out these Customer Comments.We don't know of any company that represents as complete a package as 3GStore does:
  • We Save You Money! vs. buying direct from Sprint.
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  • experienced pre-sales engineering and consultation staff;
  • online store with (rare) EV SSL certificate;
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  • free post-sale customer support for our entire line of products;
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  • Many special relationships throughout the industry.
Without a doubt, the most important reason to deal with 3Gstore is that our expertise provides our customers with the best possible support.

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