When energy is targeted at one location the range will increase. This allows you also to more specifically determine the Range, EARFCN and Band of the targeted Provider.
This allows you to eventually identify the phone more easily based on the received signal strength indication and the ‘Calibration Capability’ we have currently in development.
As the mobile devices need to reply to the request from the X-Sensor Processor with SDR (transceiving principle), you need for both the TX and RX a Directional Antenna.