Category Archives: Wireless
Getting around Athens Airport WiFi time limits
Athens airport (code ATH) offers free wireless which can be very useful. The only problem is it is time limited to 45 minutes at a time. After that time it stops you accessing the Internet. The solution to this is … Continue reading
RF line of sight propagation
Introduction For communications systems to operate reliably a good signal needs to be received. Too weak a signal will cause loss of data and too strong a signal can result in overloading of the receiver or interference to other communications … Continue reading
Driving antennas from two sources.
I came across an interesting design problem recently in an indoor PMR distribution system. The system comprised both radiating feeder and antennas all driven from two RF over fibre amplifiers in different locations. The two amplifiers are used for resilience … Continue reading