Bugs used to be rather basic devices, relying on audio pickups and a relay. Bugs were commonly implanted in people's landlines, with the line out and microphone transmitting private calls to the party that planted the device. Read More: https://theinvfirm.blogspot.co....m/2021/07/how-to-tel
#bug_sweep_services_dallas, #bug_detector_dallas, #tscm_services_dallas, #corporate_tscm_services_dallas