"You can deliver content to the "old" Kindle Fires, and assign them to groups and such, but the advanced management features of WhisperCast cannot be sent. From their FAQ: " However, mass configuring Wi-Fi network settings…"
"Well, we went the WhisperCast route; in the end, being able to reliably purchase and deliver content outweighed the additional cost of the 1:1 system. For others going this route though, one major hiccup occurred when we found WhisperCast…"
"At first I was excited about this, then dejected/irritated at the 1:1 thing. I had been looking into somehow increasing the 1:6 ratio, not go in reverse.
We own 40 Kindle Fires at my school at the moment, 20 in one Amazon account for the…"