System, method and computer program for a monitoring system

A system including:

• a plurality of transmitters, each transmitter having associated therewith a reflector antenna configured to substantially reflect signal transmission toward a detection area;
• and
• a mobile device configured to:
• receive transmitter signals from at least two transmitters from the plurality of transmitters;
• and
• determine that the mobile device is located within the detection area based on received signal strengths of the at least some of the transmitter signals.

A system including:

• a plurality of transmitters, each transmitter having associated therewith a reflector antenna configured to substantially reflect signal transmission toward a detection area;
• and
• a non-transitory computer readable medium including a computer program executable by a mobile device, wherein execution of the computer program configures the mobile device to:
• receive transmitter signals from at least two transmitters from the plurality of transmitters;
• and
• determine that the mobile device is located within the detection area based on received signal strengths of the at least some of the transmitter signals.