Berkeley Varitronics Systems designs and manufactures over 50 unique wireless test and security products all in the USA. An award-winning line of security devices include handheld cell phone detectors for locating contraband or unauthorized phone use during imprisonment, test taking, distracted driving and many other areas where a no cell phone policy is in place. For over 20 years, BVS has led the wireless industry in delivering portable test solutions for network coverage and propagation analysis of 4G, CDMA, LTE, WiMAX, Wi-Fi and many other cutting edge standards.