WiFiTodd

The idea was proposed on Twitter of wireless “Contention Zones”. A wireless “Contention Zone” is the purposeful channel design grouping access points (AP) configured for the same channel in close proximity. The 802.11 (WiFi) protocol uses several mechanisms to determine if the frequency is clear for a transmission opportunity (TxOp) or if the AP station … More Wireless Contention Zones: WiFi Hooey? OR Slicker Than Frog Snot?

The Behavioral Psychology Rooms are hardened construction to prevent patients from possibly harming themselves or others. The rooms have to go through a certification process which limits the placement and design for wireless access points (AP). The construction of the room is hardened in the following ways: Ceiling is drywall plus 20 gauge sheet metal. … More Hardened Behavioral Psychiatric Rooms

While doing wireless engineering work for a large hospital system, a problem added to my radar. The workstations on wheels (WOWs) were intermittently disconnecting from the wireless network. The client electronic medical records (EMR) application session would disconnect. The WOWs used an external USB wireless dongle. Specifically the ASUS USB-AC56. This dongle on the manufacture’s … More Bad WiFi? Check the Client