Can a 4G LTE hotspot survive a train trek?

By , Network World |  Mobile & Wireless, mobile hotspot

As I write this, I'm currently on the Amtrak Acela Express train from Providence, R.I., to New York City. Joining me on this journey is the Verizon Jetpack, a 4G LTE MiFi (made by Novatel Wireless, model 4620L) unit that acts as a bridge between my Wi-Fi client (a MacBook Pro) and the 4G LTE wireless service offered by Verizon Wireless.

About the size of a deck of playing cards, the Jetpack can support up to 10 different Wi-Fi connections over the 4G LTE connection (over 3G it drops to only five supported devices). This lets you easily share the connection with co-workers or family members while traveling -- for example, in locations where Wi-Fi might be available, but expensive (hotel rooms) or with bad service (bad hotel rooms).

IN PICTURES: Take Internet access on vacation

The Jetpack powers up quite easily, and if 4G LTE service is available, it will quickly connect and makes itself available to users. Connecting to the Jetpack is done via WPA2, so guard the unit's password carefully (you can change it, of course, if you want).

The device has a very nice graphical display on the top, giving you information like how many bars of service you have, whether you're connected via 4G or 3G, how many users are currently connected, and battery life indicator. My only complaint is that to save power the display goes dark after a brief period -- if you want to constantly monitor your connection, you have to keep pressing the power button. Another warning -- while the speeds are great with 4G LTE, you have to be careful to make sure you don't go over your allotted data allowances.

Now for the train test. Amtrak does offer its customers free Wi-Fi access, but the connection from the Wi-Fi router to the Internet isn't 4G, as far as I could tell.

During my trip I wrote three blog posts (including uploading photos), checked email and browsed the Web. When the service dropped to 3G, it got more difficult to access some sites or perform uploads. The data speeds also seemed to slow the faster the train went -- we got our best coverage and speeds when the train was moving slowly or at a station.

Blow-by-blow description of trip:

12:01 p.m. First test via speedtest.net -- 2.2Mbps download, 0.26Mbps upload. Those are 3G-like speeds. The site also seems to think I'm connecting from Kansas (possible IP address assignment glitch?).

12:10 p.m. First drop from 4G to 3G speeds. Returns to 4G coverage/connection at 12:20 p.m.

12:22 p.m. Spoke too soon -- down again to 3G. This would happen on and off for the next 12 minutes or so.


Originally published on Network World |  Click here to read the original story.
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