880's can have either a fan or fanless depending on what model you end up purchasing.
However that being said, don't give up on the 891 so quickly. I own an 881W and the fan was noisy, actually it was not so much the fan as it was how it was sitting in the slides where it was seated in the router. I ended up removing the fan and taking some cotton batting and placing it under the area where the fan sits once it is seated in the 881 and then reinserting the fan back into its location. This greatly reduced the "noise" of the fan and is now virtually noiseless.
Before you go out and spend a great deal of money over a noisy fan, see if you cannot reduce the "rattle" that it seems to have when it is seated in its location. The fans are easily removed (at least they are on the 881w) and with a little creative design, you may be able to reduce the fan noise yourself and save the customer some money in the process.
This is actually a pretty cool feature, i didn't even know it existed until I was looking for a solution to advertise a subnet (prefix in BGP talk), only if a certain condition existed. This is exactly what conditional advertisements does
j ai une question j ai achete un routeur cisco 887VA-k9 , je le configuré avec la configuration ci- dessous
si je le lier avec mon pc portable sur l un de ses ports directement ça marche toute est bien ( la connexion internet + m...
Attached policy provides CLI access to the Cisco 4G router over text messaging. Two files are in the attached .tar file:
2. PDF with instructions on how to load and use the .tcl file.