Description:   The SIGN4L BORDERSHIELD is an autonomous surveillance system that provides integrated persistent awareness and security for border protection. The solution offers a tactical edge by providing target detection and identification.The high-end scanner supports 2G/3G/4G/5G as well as GSM, UMTS, LTE and 5G NSA, enabling BORDERSHIELD to locate targets, as well as call or send SMS messages to targets. It also provides continuous detection of cellular identities with smart switching of antenna sectors.