What technology aids in detecting alien traffic in remote areas?

Sensors play a crucial role in detecting alien traffic in remote areas due to their ability to monitor a wide range of environmental conditions and detect various forms of movement without requiring line-of-sight. These devices can include ground sensors that pick up vibrations from footsteps or vehicles, as well as systems that detect changes in temperature or other physical movements in the area.

This capability is especially valuable in remote locations where traditional surveillance methods may be limited or impractical. Sensors can provide real-time data to Border Patrol agents, allowing them to respond quickly to potential illegal crossings. Furthermore, unlike radars, GPS trackers, or surveillance cameras, which often require a more direct line of sight or specific conditions to be effective, sensors can operate in diverse terrains and conditions, increasing the overall efficiency of monitoring efforts.

Other technologies like radars or surveillance cameras have their specific uses and may complement sensor systems, but sensors are often the foundational technology for detecting unauthorized crossings in hard-to-reach areas.