4G LTE WWAN question

Wanted to see if anyone had any knowledge regarding providing 4G LTE as a backup line for an enterprise office.
I was investigating some Cisco / Meraki options, including :

- Cisco 890 series ISR
- Meraki router + Inseego (formerly Feenet Wireless) Skyus DS

Would anyone have any info or experience with one of these as a solution for a temp situation or as a backup solution.
Appreciate in advance.
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Tiras25Asked:
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Olgierd UngehojerConnect With a Mentor Senior Network AdministratorCommented:
Works fine for me as a backup connection to monitoring systems, give users backup access to http and mails. With some ISp you can get static IP and have even VPN backup tunnel. Speed depends on ISP infrastructure.  For one of my clients works fine all day and night for other after 5 pm saturation on tower not allow to have great speed.  I have ping about 30-40 ms more then on fiber.
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JohnBusiness Consultant (Owner)Commented:
I have not used one of these as a backup. There is a monthly standby charge.

I HAVE used one as a source of Internet in a small outfit. There was no other source of broadband internet available.

Pros:  Decent broadband internet where none had been available before in a rural area.
Cons: Expensive. More expensive than standard DSL or Cable Internet in a city area.

You would have to get one that would meet your traffic requirements as well.

What about another lower cost ISP as a backup?
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Tiras25Author Commented:
Thanks John.  Another lower cost ISP isn't an option at this time.
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JohnBusiness Consultant (Owner)Commented:
I think you will find that a 4G Backup unit will be even more expensive.

How many users does this need to feed in an emergency ?

My own HUAWEI 4G USB key can serve 4 to 5 users (not at the top speed for one user).  The standby cost is $10 per month. Regular usage for one ranges from $35 to $50 and heavy usage $75 or so. But if not used, then $10.

So it may be a reasonable approach for you.
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arnoldCommented:
You seem to want an on-demand you have to choose the right rputer/firewall that terminates both .

Is your need relate to maintaing voice functionality when the prinary ISP fails?
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Tiras25Author Commented:
Thanks Arnold, yes, on-demand is the way to go.  I like to have an independent wireless device that would serve as a backup for our various enterprise offices.  
 Examples: ISP failed, ISP delayed to lit the building, etc.  So it can be sitting in such office until such event occurs.  
Nothing to do with voice or other hardware gear.  Independent option.
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Tiras25Author Commented:
I see that inseego antenna comes with two SIM card slots.  is it for redundancy in case you have two different WiFi carriers with two different SIM cards?
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JohnBusiness Consultant (Owner)Commented:
Yes - that is the only reason for two SIM cards
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Tiras25Author Commented:
so no reason for two SIM cards from the same carrier right?
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JohnConnect With a Mentor Business Consultant (Owner)Commented:
Correct. You just need one for one carrier
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Olgierd UngehojerSenior Network AdministratorCommented:
Some times you have two carriers from the same tower because roaming.
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JohnBusiness Consultant (Owner)Commented:
I am sure that sure could possibly be true, but I have not seen that (or the need for 2 SIM cards for the same carrier) in my travels.
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Tiras25Author Commented:
Same here.  I didn't think there's a reason to have 2 SIM cards same carrier in the same stationary device.
Unless I worry about the cards itself or a reader failure.  That's rare though.
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JohnBusiness Consultant (Owner)Commented:
Thanks for the update and you are very welcome.
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