[tatersolid]

Anybody know of secure alternatives?

It seems these wireless keyboards are all made as cheaply as possible. Microsoft advertises "AES security" for their wireless keyboards and mice, with a pre-paried USB dongle. But since they run on 27 MHz via a custom USB dongle I assume it's a proprietary protocol (and therefore likely quite insecure). Bluetooth might be a bit better but still has limited range for conference-room use.