Instruction: Answer the given question by extracting information from the supporting document.

Input:
Question: Does this come with sim card?
Document: This product worked well but it seems some items that should have come with the product were not included in the box and not much of a manual. Product did work much better than sierra air card I had.
However, when this is plugged into it, I only get around 4-5 hours of battery life. Otherwise, I think it is great. It comes with the ATT Communication manager on the device itself, and auto-installs when you plug it in. It also has a Micro SD Card reader, I do not use it, but some people find it helpful. It saves a USB port so you can use it as a USB Memory stick and a USB Modem at the same time.
With the Sierra USB Card, all I had to do was have the card and laptop, then travel and work, shop, answer emails, or update my website where ever I wanted to go. The Sierra USB card was the perfect size to slip into my purse or pocket and I didn't have to fidget with cords and worry whether or not I had enough bars constantly. It was like cyber comfort food. Give me back my Sierra Wireless USB Card! I'd love to be struck by Lightning twice!
Nice air card, but only if your company pays for the use charges.AT&T; wants $60/month for 5G, and overage charges are horrendous.I have a contract with AT&T; too, with unlimited data and test, and big monthly minutes allowance, and they wouldn't make me a better deal.Guess when the contract expires, I'm finding a new mobile company. I've already purchased another air card and got a much better deal from a different company.
First off the Modem works well (or as well as the signal will allow). Installation was fairly easy - had to download the software from AT&T; instead of reconizing the device and self installation.My only problem is with AT&T. ;  I had a regular data plan for my smart phone and hoped that I could use this with my sim while I was on vacation. Nope.
I purchased the Sierra Wireless Lightning 305 so I could take my Laptop on a trip because I didn't want to spend the money on a Tablet. The one I bought was used and I only paid $ 18 for it so I thought I would give it a try. I went to AT&T and they gave me a new SIM card for free. In order to test it out I bought a One Day Data Connect Pass ( buyasession.att.com) for $ 15.
I purchased this item for occasional use. I bought it third party because I didn't want to lock into a plan. I have 2 cell phones (1 personal, and 1 business). When I need to get on the web from a remote location, I set call forwarding on my personal cell to the work cell, then pull the Sim out, and install it into this modem. We were recently on vacation, and the WiFi in the hotel was very bad. This device saved the day.
more then what i needed great for money, will last a lot longer then the one I bought at the store that you buy service from.
This modem is much better than the one I used to use. I switched from a T Mobile usb modem to this brand new Sierra Wireless one. It comes unlocked, even though it says it is not in the product description. (At lease mine was unlocked). I use it when I travel abroad, and it works perfectly. The only downside I have noticed is that it eats battery life.
This is a good product but it requires a data contract with a carrier. I wasn't able to use the one I purchased because of this.
Answer: mine didn't.