... MainTX Frequency : 800MHz-1000MHz Mobile phone detecting equipment wireless Signal Detector TG-007A 1. The detecting range: up to 100m ... with black appearance, fine-Grinding profiling, and good feeling. The detector would not send any electromagnetic, interfere any wiring, and affect ... . With high sensitivity and coving about 100 meters. The detector has went thought army’s appraisal and got the third ...