Sourcing Requirements
low-cost, wall-mounted RF detectors for mobile phone detection (2G/3G/4G/5G) Requirements Passive detection of cellular uplink signals (GSM, LTE, 5G) Continuous 24/7 operation Detection of short transmissions (calls, SMS, data activity) Output signal (relay / TTL / TCP/IP) for integration with external system Adjustable sensitivity NOT handheld devices Application: Prison / secure facility (zone-based detection system)